diff --git a/SQLSelectLab.ipynb b/SQLSelectLab.ipynb
index ab61acd..83159ff 100644
--- a/SQLSelectLab.ipynb
+++ b/SQLSelectLab.ipynb
@@ -47,7 +47,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 3,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/",
@@ -66,7 +66,7 @@
         "import pandas as pd\n",
         "\n",
         "# Connect to the database\n",
-        "conn = None"
+        "conn = sqlite3.connect(\"data.sqlite\")"
       ]
     },
     {
@@ -78,9 +78,355 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 2,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>employeeNumber</th>\n",
+              "      <th>lastName</th>\n",
+              "      <th>firstName</th>\n",
+              "      <th>extension</th>\n",
+              "      <th>email</th>\n",
+              "      <th>officeCode</th>\n",
+              "      <th>reportsTo</th>\n",
+              "      <th>jobTitle</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>1002</td>\n",
+              "      <td>Murphy</td>\n",
+              "      <td>Diane</td>\n",
+              "      <td>x5800</td>\n",
+              "      <td>dmurphy@classicmodelcars.com</td>\n",
+              "      <td>1</td>\n",
+              "      <td></td>\n",
+              "      <td>President</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>1056</td>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>Mary</td>\n",
+              "      <td>x4611</td>\n",
+              "      <td>mpatterso@classicmodelcars.com</td>\n",
+              "      <td>1</td>\n",
+              "      <td>1002</td>\n",
+              "      <td>VP Sales</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>1076</td>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>Jeff</td>\n",
+              "      <td>x9273</td>\n",
+              "      <td>jfirrelli@classicmodelcars.com</td>\n",
+              "      <td>1</td>\n",
+              "      <td>1002</td>\n",
+              "      <td>VP Marketing</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>1088</td>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>William</td>\n",
+              "      <td>x4871</td>\n",
+              "      <td>wpatterson@classicmodelcars.com</td>\n",
+              "      <td>6</td>\n",
+              "      <td>1056</td>\n",
+              "      <td>Sales Manager (APAC)</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>1102</td>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>Gerard</td>\n",
+              "      <td>x5408</td>\n",
+              "      <td>gbondur@classicmodelcars.com</td>\n",
+              "      <td>4</td>\n",
+              "      <td>1056</td>\n",
+              "      <td>Sale Manager (EMEA)</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>1143</td>\n",
+              "      <td>Bow</td>\n",
+              "      <td>Anthony</td>\n",
+              "      <td>x5428</td>\n",
+              "      <td>abow@classicmodelcars.com</td>\n",
+              "      <td>1</td>\n",
+              "      <td>1056</td>\n",
+              "      <td>Sales Manager (NA)</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>1165</td>\n",
+              "      <td>Jennings</td>\n",
+              "      <td>Leslie</td>\n",
+              "      <td>x3291</td>\n",
+              "      <td>ljennings@classicmodelcars.com</td>\n",
+              "      <td>1</td>\n",
+              "      <td>1143</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>1166</td>\n",
+              "      <td>Thompson</td>\n",
+              "      <td>Leslie</td>\n",
+              "      <td>x4065</td>\n",
+              "      <td>lthompson@classicmodelcars.com</td>\n",
+              "      <td>1</td>\n",
+              "      <td>1143</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>1188</td>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>Julie</td>\n",
+              "      <td>x2173</td>\n",
+              "      <td>jfirrelli@classicmodelcars.com</td>\n",
+              "      <td>2</td>\n",
+              "      <td>1143</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>1216</td>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>Steve</td>\n",
+              "      <td>x4334</td>\n",
+              "      <td>spatterson@classicmodelcars.com</td>\n",
+              "      <td>2</td>\n",
+              "      <td>1143</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>1286</td>\n",
+              "      <td>Tseng</td>\n",
+              "      <td>Foon Yue</td>\n",
+              "      <td>x2248</td>\n",
+              "      <td>ftseng@classicmodelcars.com</td>\n",
+              "      <td>3</td>\n",
+              "      <td>1143</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>1323</td>\n",
+              "      <td>Vanauf</td>\n",
+              "      <td>George</td>\n",
+              "      <td>x4102</td>\n",
+              "      <td>gvanauf@classicmodelcars.com</td>\n",
+              "      <td>3</td>\n",
+              "      <td>1143</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>1337</td>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>Loui</td>\n",
+              "      <td>x6493</td>\n",
+              "      <td>lbondur@classicmodelcars.com</td>\n",
+              "      <td>4</td>\n",
+              "      <td>1102</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>1370</td>\n",
+              "      <td>Hernandez</td>\n",
+              "      <td>Gerard</td>\n",
+              "      <td>x2028</td>\n",
+              "      <td>ghernande@classicmodelcars.com</td>\n",
+              "      <td>4</td>\n",
+              "      <td>1102</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>1401</td>\n",
+              "      <td>Castillo</td>\n",
+              "      <td>Pamela</td>\n",
+              "      <td>x2759</td>\n",
+              "      <td>pcastillo@classicmodelcars.com</td>\n",
+              "      <td>4</td>\n",
+              "      <td>1102</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>1501</td>\n",
+              "      <td>Bott</td>\n",
+              "      <td>Larry</td>\n",
+              "      <td>x2311</td>\n",
+              "      <td>lbott@classicmodelcars.com</td>\n",
+              "      <td>7</td>\n",
+              "      <td>1102</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>1504</td>\n",
+              "      <td>Jones</td>\n",
+              "      <td>Barry</td>\n",
+              "      <td>x102</td>\n",
+              "      <td>bjones@classicmodelcars.com</td>\n",
+              "      <td>7</td>\n",
+              "      <td>1102</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>1611</td>\n",
+              "      <td>Fixter</td>\n",
+              "      <td>Andy</td>\n",
+              "      <td>x101</td>\n",
+              "      <td>afixter@classicmodelcars.com</td>\n",
+              "      <td>6</td>\n",
+              "      <td>1088</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>1612</td>\n",
+              "      <td>Marsh</td>\n",
+              "      <td>Peter</td>\n",
+              "      <td>x102</td>\n",
+              "      <td>pmarsh@classicmodelcars.com</td>\n",
+              "      <td>6</td>\n",
+              "      <td>1088</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>1619</td>\n",
+              "      <td>King</td>\n",
+              "      <td>Tom</td>\n",
+              "      <td>x103</td>\n",
+              "      <td>tking@classicmodelcars.com</td>\n",
+              "      <td>6</td>\n",
+              "      <td>1088</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>1621</td>\n",
+              "      <td>Nishi</td>\n",
+              "      <td>Mami</td>\n",
+              "      <td>x101</td>\n",
+              "      <td>mnishi@classicmodelcars.com</td>\n",
+              "      <td>5</td>\n",
+              "      <td>1056</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>1625</td>\n",
+              "      <td>Kato</td>\n",
+              "      <td>Yoshimi</td>\n",
+              "      <td>x102</td>\n",
+              "      <td>ykato@classicmodelcars.com</td>\n",
+              "      <td>5</td>\n",
+              "      <td>1621</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>1702</td>\n",
+              "      <td>Gerard</td>\n",
+              "      <td>Martin</td>\n",
+              "      <td>x2312</td>\n",
+              "      <td>mgerard@classicmodelcars.com</td>\n",
+              "      <td>4</td>\n",
+              "      <td>1102</td>\n",
+              "      <td>Sales Rep</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "   employeeNumber   lastName firstName extension  \\\n",
+              "0            1002     Murphy     Diane     x5800   \n",
+              "1            1056  Patterson      Mary     x4611   \n",
+              "2            1076   Firrelli      Jeff     x9273   \n",
+              "3            1088  Patterson   William     x4871   \n",
+              "4            1102     Bondur    Gerard     x5408   \n",
+              "5            1143        Bow   Anthony     x5428   \n",
+              "6            1165   Jennings    Leslie     x3291   \n",
+              "7            1166   Thompson    Leslie     x4065   \n",
+              "8            1188   Firrelli     Julie     x2173   \n",
+              "9            1216  Patterson     Steve     x4334   \n",
+              "10           1286      Tseng  Foon Yue     x2248   \n",
+              "11           1323     Vanauf    George     x4102   \n",
+              "12           1337     Bondur      Loui     x6493   \n",
+              "13           1370  Hernandez    Gerard     x2028   \n",
+              "14           1401   Castillo    Pamela     x2759   \n",
+              "15           1501       Bott     Larry     x2311   \n",
+              "16           1504      Jones     Barry      x102   \n",
+              "17           1611     Fixter      Andy      x101   \n",
+              "18           1612      Marsh     Peter      x102   \n",
+              "19           1619       King       Tom      x103   \n",
+              "20           1621      Nishi      Mami      x101   \n",
+              "21           1625       Kato   Yoshimi      x102   \n",
+              "22           1702     Gerard    Martin     x2312   \n",
+              "\n",
+              "                              email officeCode reportsTo              jobTitle  \n",
+              "0      dmurphy@classicmodelcars.com          1                       President  \n",
+              "1    mpatterso@classicmodelcars.com          1      1002              VP Sales  \n",
+              "2    jfirrelli@classicmodelcars.com          1      1002          VP Marketing  \n",
+              "3   wpatterson@classicmodelcars.com          6      1056  Sales Manager (APAC)  \n",
+              "4      gbondur@classicmodelcars.com          4      1056   Sale Manager (EMEA)  \n",
+              "5         abow@classicmodelcars.com          1      1056    Sales Manager (NA)  \n",
+              "6    ljennings@classicmodelcars.com          1      1143             Sales Rep  \n",
+              "7    lthompson@classicmodelcars.com          1      1143             Sales Rep  \n",
+              "8    jfirrelli@classicmodelcars.com          2      1143             Sales Rep  \n",
+              "9   spatterson@classicmodelcars.com          2      1143             Sales Rep  \n",
+              "10      ftseng@classicmodelcars.com          3      1143             Sales Rep  \n",
+              "11     gvanauf@classicmodelcars.com          3      1143             Sales Rep  \n",
+              "12     lbondur@classicmodelcars.com          4      1102             Sales Rep  \n",
+              "13   ghernande@classicmodelcars.com          4      1102             Sales Rep  \n",
+              "14   pcastillo@classicmodelcars.com          4      1102             Sales Rep  \n",
+              "15       lbott@classicmodelcars.com          7      1102             Sales Rep  \n",
+              "16      bjones@classicmodelcars.com          7      1102             Sales Rep  \n",
+              "17     afixter@classicmodelcars.com          6      1088             Sales Rep  \n",
+              "18      pmarsh@classicmodelcars.com          6      1088             Sales Rep  \n",
+              "19       tking@classicmodelcars.com          6      1088             Sales Rep  \n",
+              "20      mnishi@classicmodelcars.com          5      1056             Sales Rep  \n",
+              "21       ykato@classicmodelcars.com          5      1621             Sales Rep  \n",
+              "22     mgerard@classicmodelcars.com          4      1102             Sales Rep  "
+            ]
+          },
+          "execution_count": 2,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# Run this cell without changes\n",
         "# First look at full table\n",
@@ -106,13 +452,193 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 4,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>employeeNumber</th>\n",
+              "      <th>lastName</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>1002</td>\n",
+              "      <td>Murphy</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>1056</td>\n",
+              "      <td>Patterson</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>1076</td>\n",
+              "      <td>Firrelli</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>1088</td>\n",
+              "      <td>Patterson</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>1102</td>\n",
+              "      <td>Bondur</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>1143</td>\n",
+              "      <td>Bow</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>1165</td>\n",
+              "      <td>Jennings</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>1166</td>\n",
+              "      <td>Thompson</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>1188</td>\n",
+              "      <td>Firrelli</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>1216</td>\n",
+              "      <td>Patterson</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>1286</td>\n",
+              "      <td>Tseng</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>1323</td>\n",
+              "      <td>Vanauf</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>1337</td>\n",
+              "      <td>Bondur</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>1370</td>\n",
+              "      <td>Hernandez</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>1401</td>\n",
+              "      <td>Castillo</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>1501</td>\n",
+              "      <td>Bott</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>1504</td>\n",
+              "      <td>Jones</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>1611</td>\n",
+              "      <td>Fixter</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>1612</td>\n",
+              "      <td>Marsh</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>1619</td>\n",
+              "      <td>King</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>1621</td>\n",
+              "      <td>Nishi</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>1625</td>\n",
+              "      <td>Kato</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>1702</td>\n",
+              "      <td>Gerard</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "   employeeNumber   lastName\n",
+              "0            1002     Murphy\n",
+              "1            1056  Patterson\n",
+              "2            1076   Firrelli\n",
+              "3            1088  Patterson\n",
+              "4            1102     Bondur\n",
+              "5            1143        Bow\n",
+              "6            1165   Jennings\n",
+              "7            1166   Thompson\n",
+              "8            1188   Firrelli\n",
+              "9            1216  Patterson\n",
+              "10           1286      Tseng\n",
+              "11           1323     Vanauf\n",
+              "12           1337     Bondur\n",
+              "13           1370  Hernandez\n",
+              "14           1401   Castillo\n",
+              "15           1501       Bott\n",
+              "16           1504      Jones\n",
+              "17           1611     Fixter\n",
+              "18           1612      Marsh\n",
+              "19           1619       King\n",
+              "20           1621      Nishi\n",
+              "21           1625       Kato\n",
+              "22           1702     Gerard"
+            ]
+          },
+          "execution_count": 4,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step2\n",
         "# Replace None with your code\n",
-        "df_name_number = None"
+        "df_name_number = \"\"\" \n",
+        "SELECT employeeNumber, lastName FROM employees;\n",
+        "\"\"\"\n",
+        "pd.read_sql_query(df_name_number,conn)"
       ]
     },
     {
@@ -127,13 +653,194 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 5,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>lastName</th>\n",
+              "      <th>employeeNumber</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>Murphy</td>\n",
+              "      <td>1002</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>1056</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>1076</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>1088</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>1102</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>Bow</td>\n",
+              "      <td>1143</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>Jennings</td>\n",
+              "      <td>1165</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>Thompson</td>\n",
+              "      <td>1166</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>1188</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>1216</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>Tseng</td>\n",
+              "      <td>1286</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>Vanauf</td>\n",
+              "      <td>1323</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>1337</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>Hernandez</td>\n",
+              "      <td>1370</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>Castillo</td>\n",
+              "      <td>1401</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>Bott</td>\n",
+              "      <td>1501</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>Jones</td>\n",
+              "      <td>1504</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>Fixter</td>\n",
+              "      <td>1611</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>Marsh</td>\n",
+              "      <td>1612</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>King</td>\n",
+              "      <td>1619</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>Nishi</td>\n",
+              "      <td>1621</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>Kato</td>\n",
+              "      <td>1625</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>Gerard</td>\n",
+              "      <td>1702</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "     lastName employeeNumber\n",
+              "0      Murphy           1002\n",
+              "1   Patterson           1056\n",
+              "2    Firrelli           1076\n",
+              "3   Patterson           1088\n",
+              "4      Bondur           1102\n",
+              "5         Bow           1143\n",
+              "6    Jennings           1165\n",
+              "7    Thompson           1166\n",
+              "8    Firrelli           1188\n",
+              "9   Patterson           1216\n",
+              "10      Tseng           1286\n",
+              "11     Vanauf           1323\n",
+              "12     Bondur           1337\n",
+              "13  Hernandez           1370\n",
+              "14   Castillo           1401\n",
+              "15       Bott           1501\n",
+              "16      Jones           1504\n",
+              "17     Fixter           1611\n",
+              "18      Marsh           1612\n",
+              "19       King           1619\n",
+              "20      Nishi           1621\n",
+              "21       Kato           1625\n",
+              "22     Gerard           1702"
+            ]
+          },
+          "execution_count": 5,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step3\n",
         "# Replace None with your code\n",
-        "df_reverse = None"
+        "df_reverse = \"\"\" \n",
+        "    SELECT lastName,employeeNumber FROM employees;\n",
+        "\"\"\"\n",
+        "\n",
+        "pd.read_sql_query(df_reverse, conn)"
       ]
     },
     {
@@ -155,13 +862,193 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 6,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>lastName</th>\n",
+              "      <th>ID</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>Murphy</td>\n",
+              "      <td>1002</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>1056</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>1076</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>1088</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>1102</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>Bow</td>\n",
+              "      <td>1143</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>Jennings</td>\n",
+              "      <td>1165</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>Thompson</td>\n",
+              "      <td>1166</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>1188</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>1216</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>Tseng</td>\n",
+              "      <td>1286</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>Vanauf</td>\n",
+              "      <td>1323</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>1337</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>Hernandez</td>\n",
+              "      <td>1370</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>Castillo</td>\n",
+              "      <td>1401</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>Bott</td>\n",
+              "      <td>1501</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>Jones</td>\n",
+              "      <td>1504</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>Fixter</td>\n",
+              "      <td>1611</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>Marsh</td>\n",
+              "      <td>1612</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>King</td>\n",
+              "      <td>1619</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>Nishi</td>\n",
+              "      <td>1621</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>Kato</td>\n",
+              "      <td>1625</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>Gerard</td>\n",
+              "      <td>1702</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "     lastName    ID\n",
+              "0      Murphy  1002\n",
+              "1   Patterson  1056\n",
+              "2    Firrelli  1076\n",
+              "3   Patterson  1088\n",
+              "4      Bondur  1102\n",
+              "5         Bow  1143\n",
+              "6    Jennings  1165\n",
+              "7    Thompson  1166\n",
+              "8    Firrelli  1188\n",
+              "9   Patterson  1216\n",
+              "10      Tseng  1286\n",
+              "11     Vanauf  1323\n",
+              "12     Bondur  1337\n",
+              "13  Hernandez  1370\n",
+              "14   Castillo  1401\n",
+              "15       Bott  1501\n",
+              "16      Jones  1504\n",
+              "17     Fixter  1611\n",
+              "18      Marsh  1612\n",
+              "19       King  1619\n",
+              "20      Nishi  1621\n",
+              "21       Kato  1625\n",
+              "22     Gerard  1702"
+            ]
+          },
+          "execution_count": 6,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step4\n",
         "# Replace None with your code\n",
-        "df_alias = None"
+        "df_alias = \"\"\" \n",
+        "    SELECT lastName, employeeNumber as ID FROM employees;\n",
+        "\"\"\"\n",
+        "pd.read_sql_query(df_alias, conn)"
       ]
     },
     {
@@ -193,13 +1080,200 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 15,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>lastName</th>\n",
+              "      <th>role</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>Murphy</td>\n",
+              "      <td>Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>Bow</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>Jennings</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>Thompson</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>Firrelli</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>Patterson</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>Tseng</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>Vanauf</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>Bondur</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>Hernandez</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>Castillo</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>Bott</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>Jones</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>Fixter</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>Marsh</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>King</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>Nishi</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>Kato</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>Gerard</td>\n",
+              "      <td>Not Executive</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "     lastName           role\n",
+              "0      Murphy      Executive\n",
+              "1   Patterson      Executive\n",
+              "2    Firrelli      Executive\n",
+              "3   Patterson  Not Executive\n",
+              "4      Bondur  Not Executive\n",
+              "5         Bow  Not Executive\n",
+              "6    Jennings  Not Executive\n",
+              "7    Thompson  Not Executive\n",
+              "8    Firrelli  Not Executive\n",
+              "9   Patterson  Not Executive\n",
+              "10      Tseng  Not Executive\n",
+              "11     Vanauf  Not Executive\n",
+              "12     Bondur  Not Executive\n",
+              "13  Hernandez  Not Executive\n",
+              "14   Castillo  Not Executive\n",
+              "15       Bott  Not Executive\n",
+              "16      Jones  Not Executive\n",
+              "17     Fixter  Not Executive\n",
+              "18      Marsh  Not Executive\n",
+              "19       King  Not Executive\n",
+              "20      Nishi  Not Executive\n",
+              "21       Kato  Not Executive\n",
+              "22     Gerard  Not Executive"
+            ]
+          },
+          "execution_count": 15,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step5\n",
         "# Replace None with your code\n",
-        "df_executive = None"
+        "\n",
+        "df_executive = \"\"\" \n",
+        "SELECT lastName, \n",
+        "        CASE \n",
+        "            WHEN jobTitle IN ('President', 'VP Sales', 'VP Marketing') THEN 'Executive'\n",
+        "            ELSE 'Not Executive'\n",
+        "        END AS role\n",
+        "    FROM employees;\n",
+        "\"\"\"\n",
+        "\n",
+        "pd.read_sql_query(df_executive, conn)"
       ]
     },
     {
@@ -222,13 +1296,171 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 17,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>name_length</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>9</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>8</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>9</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>3</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>8</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>8</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>8</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>9</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>5</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>9</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>8</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>5</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>5</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>5</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "    name_length\n",
+              "0             6\n",
+              "1             9\n",
+              "2             8\n",
+              "3             9\n",
+              "4             6\n",
+              "5             3\n",
+              "6             8\n",
+              "7             8\n",
+              "8             8\n",
+              "9             9\n",
+              "10            5\n",
+              "11            6\n",
+              "12            6\n",
+              "13            9\n",
+              "14            8\n",
+              "15            4\n",
+              "16            5\n",
+              "17            6\n",
+              "18            5\n",
+              "19            4\n",
+              "20            5\n",
+              "21            4\n",
+              "22            6"
+            ]
+          },
+          "execution_count": 17,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step6\n",
         "# Replace None with your code\n",
-        "df_name_length = None"
+        "df_name_length = \"\"\"\n",
+        "    SELECT LENGTH(lastName) AS name_length\n",
+        "    FROM employees;\n",
+        "\"\"\"\n",
+        "\n",
+        "pd.read_sql(df_name_length, conn)"
       ]
     },
     {
@@ -243,13 +1475,170 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 18,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>short_title</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>Pr</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>VP</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>VP</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>5</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>6</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>7</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>8</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>9</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>10</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>11</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>12</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>13</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>14</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>15</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>16</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>17</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>18</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>19</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>20</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>21</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>22</th>\n",
+              "      <td>Sa</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "   short_title\n",
+              "0           Pr\n",
+              "1           VP\n",
+              "2           VP\n",
+              "3           Sa\n",
+              "4           Sa\n",
+              "5           Sa\n",
+              "6           Sa\n",
+              "7           Sa\n",
+              "8           Sa\n",
+              "9           Sa\n",
+              "10          Sa\n",
+              "11          Sa\n",
+              "12          Sa\n",
+              "13          Sa\n",
+              "14          Sa\n",
+              "15          Sa\n",
+              "16          Sa\n",
+              "17          Sa\n",
+              "18          Sa\n",
+              "19          Sa\n",
+              "20          Sa\n",
+              "21          Sa\n",
+              "22          Sa"
+            ]
+          },
+          "execution_count": 18,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step7\n",
         "# Replace None with your code\n",
-        "df_short_title = None"
+        "df_short_title = \"\"\"\n",
+        "    SELECT SUBSTR(jobTitle, 1, 2) AS short_title\n",
+        "    FROM employees;\n",
+        "\"\"\"\n",
+        "pd.read_sql_query(df_short_title, conn)"
       ]
     },
     {
@@ -272,9 +1661,153 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 19,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>orderNumber</th>\n",
+              "      <th>productCode</th>\n",
+              "      <th>quantityOrdered</th>\n",
+              "      <th>priceEach</th>\n",
+              "      <th>orderLineNumber</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>10100</td>\n",
+              "      <td>S18_1749</td>\n",
+              "      <td>30</td>\n",
+              "      <td>136.00</td>\n",
+              "      <td>3</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>10100</td>\n",
+              "      <td>S18_2248</td>\n",
+              "      <td>50</td>\n",
+              "      <td>55.09</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>10100</td>\n",
+              "      <td>S18_4409</td>\n",
+              "      <td>22</td>\n",
+              "      <td>75.46</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>10100</td>\n",
+              "      <td>S24_3969</td>\n",
+              "      <td>49</td>\n",
+              "      <td>35.29</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>10101</td>\n",
+              "      <td>S18_2325</td>\n",
+              "      <td>25</td>\n",
+              "      <td>108.06</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2991</th>\n",
+              "      <td>10425</td>\n",
+              "      <td>S24_2300</td>\n",
+              "      <td>49</td>\n",
+              "      <td>127.79</td>\n",
+              "      <td>9</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2992</th>\n",
+              "      <td>10425</td>\n",
+              "      <td>S24_2840</td>\n",
+              "      <td>31</td>\n",
+              "      <td>31.82</td>\n",
+              "      <td>5</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2993</th>\n",
+              "      <td>10425</td>\n",
+              "      <td>S32_1268</td>\n",
+              "      <td>41</td>\n",
+              "      <td>83.79</td>\n",
+              "      <td>11</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2994</th>\n",
+              "      <td>10425</td>\n",
+              "      <td>S32_2509</td>\n",
+              "      <td>11</td>\n",
+              "      <td>50.32</td>\n",
+              "      <td>6</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2995</th>\n",
+              "      <td>10425</td>\n",
+              "      <td>S50_1392</td>\n",
+              "      <td>18</td>\n",
+              "      <td>94.92</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>2996 rows × 5 columns</p>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "     orderNumber productCode quantityOrdered priceEach orderLineNumber\n",
+              "0          10100    S18_1749              30    136.00               3\n",
+              "1          10100    S18_2248              50     55.09               2\n",
+              "2          10100    S18_4409              22     75.46               4\n",
+              "3          10100    S24_3969              49     35.29               1\n",
+              "4          10101    S18_2325              25    108.06               4\n",
+              "...          ...         ...             ...       ...             ...\n",
+              "2991       10425    S24_2300              49    127.79               9\n",
+              "2992       10425    S24_2840              31     31.82               5\n",
+              "2993       10425    S32_1268              41     83.79              11\n",
+              "2994       10425    S32_2509              11     50.32               6\n",
+              "2995       10425    S50_1392              18     94.92               2\n",
+              "\n",
+              "[2996 rows x 5 columns]"
+            ]
+          },
+          "execution_count": 19,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# Run this cell without changes\n",
         "\n",
@@ -306,13 +1839,29 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 20,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "total_price    9604251.0\n",
+              "dtype: float64"
+            ]
+          },
+          "execution_count": 20,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step8\n",
         "# Replace None with your code\n",
-        "sum_total_price = None"
+        "sum_total_price = \"\"\"\n",
+        "    SELECT ROUND(priceEach * quantityOrdered) AS total_price\n",
+        "    FROM orderDetails;\n",
+        "\"\"\"\n",
+        "pd.read_sql(sum_total_price, conn).sum()"
       ]
     },
     {
@@ -328,13 +1877,152 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 21,
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/html": [
+              "<div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>orderDate</th>\n",
+              "      <th>day</th>\n",
+              "      <th>month</th>\n",
+              "      <th>year</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>2003-01-06</td>\n",
+              "      <td>06</td>\n",
+              "      <td>01</td>\n",
+              "      <td>2003</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2003-01-09</td>\n",
+              "      <td>09</td>\n",
+              "      <td>01</td>\n",
+              "      <td>2003</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>2003-01-10</td>\n",
+              "      <td>10</td>\n",
+              "      <td>01</td>\n",
+              "      <td>2003</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>2003-01-29</td>\n",
+              "      <td>29</td>\n",
+              "      <td>01</td>\n",
+              "      <td>2003</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>2003-01-31</td>\n",
+              "      <td>31</td>\n",
+              "      <td>01</td>\n",
+              "      <td>2003</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>321</th>\n",
+              "      <td>2005-05-29</td>\n",
+              "      <td>29</td>\n",
+              "      <td>05</td>\n",
+              "      <td>2005</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>322</th>\n",
+              "      <td>2005-05-30</td>\n",
+              "      <td>30</td>\n",
+              "      <td>05</td>\n",
+              "      <td>2005</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>323</th>\n",
+              "      <td>2005-05-30</td>\n",
+              "      <td>30</td>\n",
+              "      <td>05</td>\n",
+              "      <td>2005</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>324</th>\n",
+              "      <td>2005-05-31</td>\n",
+              "      <td>31</td>\n",
+              "      <td>05</td>\n",
+              "      <td>2005</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>325</th>\n",
+              "      <td>2005-05-31</td>\n",
+              "      <td>31</td>\n",
+              "      <td>05</td>\n",
+              "      <td>2005</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>326 rows × 4 columns</p>\n",
+              "</div>"
+            ],
+            "text/plain": [
+              "      orderDate day month  year\n",
+              "0    2003-01-06  06    01  2003\n",
+              "1    2003-01-09  09    01  2003\n",
+              "2    2003-01-10  10    01  2003\n",
+              "3    2003-01-29  29    01  2003\n",
+              "4    2003-01-31  31    01  2003\n",
+              "..          ...  ..   ...   ...\n",
+              "321  2005-05-29  29    05  2005\n",
+              "322  2005-05-30  30    05  2005\n",
+              "323  2005-05-30  30    05  2005\n",
+              "324  2005-05-31  31    05  2005\n",
+              "325  2005-05-31  31    05  2005\n",
+              "\n",
+              "[326 rows x 4 columns]"
+            ]
+          },
+          "execution_count": 21,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# CodeGrade step9\n",
         "# Replace None with your code\n",
-        "df_day_month_year = None"
+        "df_day_month_year = \"\"\"\n",
+        "    SELECT orderDate,\n",
+        "           STRFTIME('%d', orderDate) AS day,\n",
+        "           STRFTIME('%m', orderDate) AS month,\n",
+        "           STRFTIME('%Y', orderDate) AS year\n",
+        "    FROM orders;\n",
+        "\"\"\"\n",
+        "pd.read_sql(df_day_month_year, conn)"
       ]
     },
     {
@@ -346,7 +2034,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 22,
       "metadata": {},
       "outputs": [],
       "source": [
@@ -361,11 +2049,21 @@
       "provenance": []
     },
     "kernelspec": {
-      "display_name": "Python 3",
+      "display_name": "base",
+      "language": "python",
       "name": "python3"
     },
     "language_info": {
-      "name": "python"
+      "codemirror_mode": {
+        "name": "ipython",
+        "version": 3
+      },
+      "file_extension": ".py",
+      "mimetype": "text/x-python",
+      "name": "python",
+      "nbconvert_exporter": "python",
+      "pygments_lexer": "ipython3",
+      "version": "3.13.5"
     }
   },
   "nbformat": 4,