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mde-2590/Lab7 Working with a real world Data Set.ipynb

Created May 19, 2019 21:40
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Lab7 Working with a real world Data Set.ipynb
{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"#Connect to the database"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"%load_ext sql"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
"# Enter the connection string for your Db2 on Cloud database instance below\n",
"# %sql ibm_db_sa://my-username:my-password@my-hostname:my-port/my-db-name"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'Connected: dfk30111@BLUDB'"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql ibm_db_sa://dfk30111:b6q01rtcjz%5Eq4sk8@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [],
"source": [
"#Query the database system catalog to retrieve table metadata\n",
"# type in your query to retrieve list of all tables in the database for your db2 schema (username)"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [],
"source": [
"#%sql select TABSCHEMA, TABNAME, CREATE_TIME from SYSCAT.TABLES where TABSCHEMA='YOUR-DB2-USERNAME'\n",
"#or, you can retrieve list of all tables where the schema name is not one of the system created ones:\n",
"#%sql select TABSCHEMA, TABNAME, CREATE_TIME from SYSCAT.TABLES \\\n",
" #where TABSCHEMA not in ('SYSIBM', 'SYSCAT', 'SYSSTAT', 'SYSIBMADM', 'SYSTOOLS', 'SYSPUBLIC')\n",
"#or, just query for a specifc table that you want to verify exists in the database\n",
"#%sql select * from SYSCAT.TABLES where TABNAME = 'SCHOOLS' \n"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>tabschema</th>\n",
" <th>tabname</th>\n",
" <th>create_time</th>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[]"
]
},
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select TABSCHEMA, TABNAME, CREATE_TIME from SYSCAT.TABLES where TABSCHEMA='dfk30111'"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [],
"source": [
"#Query the database system catalog to retrieve column metadata"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>1</th>\n",
" </tr>\n",
" <tr>\n",
" <td>78</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[(Decimal('78'),)]"
]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select count(*) from SYSCAT.COLUMNS where TABNAME = 'SCHOOLS'"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [],
"source": [
"# type in your query to retrieve all column names in the SCHOOLS table along with their datatypes and length"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [],
"source": [
"#%sql select COLNAME, TYPENAME, LENGTH from SYSCAT.COLUMNS where TABNAME = 'SCHOOLS'\n",
"\n",
"#or\n",
"\n",
"#%sql select distinct(NAME), COLTYPE, LENGTH from SYSIBM.SYSCOLUMNS where TBNAME = 'SCHOOLS'"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>colname</th>\n",
" <th>typename</th>\n",
" <th>length</th>\n",
" </tr>\n",
" <tr>\n",
" <td>School_ID</td>\n",
" <td>INTEGER</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NAME_OF_SCHOOL</td>\n",
" <td>VARCHAR</td>\n",
" <td>65</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Elementary, Middle, or High School</td>\n",
" <td>VARCHAR</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Street_Address</td>\n",
" <td>VARCHAR</td>\n",
" <td>30</td>\n",
" </tr>\n",
" <tr>\n",
" <td>City</td>\n",
" <td>VARCHAR</td>\n",
" <td>7</td>\n",
" </tr>\n",
" <tr>\n",
" <td>State</td>\n",
" <td>VARCHAR</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ZIP_Code</td>\n",
" <td>INTEGER</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Phone_Number</td>\n",
" <td>VARCHAR</td>\n",
" <td>14</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Link</td>\n",
" <td>VARCHAR</td>\n",
" <td>78</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Network_Manager</td>\n",
" <td>VARCHAR</td>\n",
" <td>40</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Collaborative_Name</td>\n",
" <td>VARCHAR</td>\n",
" <td>34</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Adequate_Yearly_Progress_Made_</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Track_Schedule</td>\n",
" <td>VARCHAR</td>\n",
" <td>12</td>\n",
" </tr>\n",
" <tr>\n",
" <td>CPS_Performance_Policy_Status</td>\n",
" <td>VARCHAR</td>\n",
" <td>16</td>\n",
" </tr>\n",
" <tr>\n",
" <td>CPS_Performance_Policy_Level</td>\n",
" <td>VARCHAR</td>\n",
" <td>15</td>\n",
" </tr>\n",
" <tr>\n",
" <td>HEALTHY_SCHOOL_CERTIFIED</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Safety_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>11</td>\n",
" </tr>\n",
" <tr>\n",
" <td>SAFETY_SCORE</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Family_Involvement_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>11</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Family_Involvement_Score</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Environment_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>11</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Environment_Score</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Instruction_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>11</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Instruction_Score</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Leaders_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>11</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Leaders_Score</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Teachers_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>11</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Teachers_Score</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Parent_Engagement_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>7</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Parent_Engagement_Score</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Parent_Environment_Icon</td>\n",
" <td>VARCHAR</td>\n",
" <td>7</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Parent_Environment_Score</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>AVERAGE_STUDENT_ATTENDANCE</td>\n",
" <td>VARCHAR</td>\n",
" <td>6</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Rate_of_Misconducts__per_100_students_</td>\n",
" <td>DECIMAL</td>\n",
" <td>5</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Average_Teacher_Attendance</td>\n",
" <td>VARCHAR</td>\n",
" <td>6</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Individualized_Education_Program_Compliance_Rate</td>\n",
" <td>VARCHAR</td>\n",
" <td>7</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Pk_2_Literacy__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Pk_2_Math__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr3_5_Grade_Level_Math__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr3_5_Grade_Level_Read__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr3_5_Keep_Pace_Read__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr3_5_Keep_Pace_Math__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr6_8_Grade_Level_Math__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr6_8_Grade_Level_Read__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr6_8_Keep_Pace_Math_</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr6_8_Keep_Pace_Read__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr_8_Explore_Math__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Gr_8_Explore_Read__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ISAT_Exceeding_Math__</td>\n",
" <td>DECIMAL</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ISAT_Exceeding_Reading__</td>\n",
" <td>DECIMAL</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ISAT_Value_Add_Math</td>\n",
" <td>DECIMAL</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ISAT_Value_Add_Read</td>\n",
" <td>DECIMAL</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ISAT_Value_Add_Color_Math</td>\n",
" <td>VARCHAR</td>\n",
" <td>6</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ISAT_Value_Add_Color_Read</td>\n",
" <td>VARCHAR</td>\n",
" <td>6</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Students_Taking__Algebra__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Students_Passing__Algebra__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>9th Grade EXPLORE (2009)</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>9th Grade EXPLORE (2010)</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>10th Grade PLAN (2009)</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>10th Grade PLAN (2010)</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Net_Change_EXPLORE_and_PLAN</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>11th Grade Average ACT (2011)</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Net_Change_PLAN_and_ACT</td>\n",
" <td>VARCHAR</td>\n",
" <td>3</td>\n",
" </tr>\n",
" <tr>\n",
" <td>College_Eligibility__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Graduation_Rate__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>College_Enrollment_Rate__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>COLLEGE_ENROLLMENT</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>General_Services_Route</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Freshman_on_Track_Rate__</td>\n",
" <td>VARCHAR</td>\n",
" <td>4</td>\n",
" </tr>\n",
" <tr>\n",
" <td>X_COORDINATE</td>\n",
" <td>DECIMAL</td>\n",
" <td>13</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Y_COORDINATE</td>\n",
" <td>DECIMAL</td>\n",
" <td>13</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Latitude</td>\n",
" <td>DECIMAL</td>\n",
" <td>18</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Longitude</td>\n",
" <td>DECIMAL</td>\n",
" <td>18</td>\n",
" </tr>\n",
" <tr>\n",
" <td>COMMUNITY_AREA_NUMBER</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>COMMUNITY_AREA_NAME</td>\n",
" <td>VARCHAR</td>\n",
" <td>22</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Ward</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Police_District</td>\n",
" <td>SMALLINT</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Location</td>\n",
" <td>VARCHAR</td>\n",
" <td>27</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('School_ID', 'INTEGER', 4),\n",
" ('NAME_OF_SCHOOL', 'VARCHAR', 65),\n",
" ('Elementary, Middle, or High School', 'VARCHAR', 2),\n",
" ('Street_Address', 'VARCHAR', 30),\n",
" ('City', 'VARCHAR', 7),\n",
" ('State', 'VARCHAR', 2),\n",
" ('ZIP_Code', 'INTEGER', 4),\n",
" ('Phone_Number', 'VARCHAR', 14),\n",
" ('Link', 'VARCHAR', 78),\n",
" ('Network_Manager', 'VARCHAR', 40),\n",
" ('Collaborative_Name', 'VARCHAR', 34),\n",
" ('Adequate_Yearly_Progress_Made_', 'VARCHAR', 3),\n",
" ('Track_Schedule', 'VARCHAR', 12),\n",
" ('CPS_Performance_Policy_Status', 'VARCHAR', 16),\n",
" ('CPS_Performance_Policy_Level', 'VARCHAR', 15),\n",
" ('HEALTHY_SCHOOL_CERTIFIED', 'VARCHAR', 3),\n",
" ('Safety_Icon', 'VARCHAR', 11),\n",
" ('SAFETY_SCORE', 'SMALLINT', 2),\n",
" ('Family_Involvement_Icon', 'VARCHAR', 11),\n",
" ('Family_Involvement_Score', 'VARCHAR', 3),\n",
" ('Environment_Icon', 'VARCHAR', 11),\n",
" ('Environment_Score', 'SMALLINT', 2),\n",
" ('Instruction_Icon', 'VARCHAR', 11),\n",
" ('Instruction_Score', 'SMALLINT', 2),\n",
" ('Leaders_Icon', 'VARCHAR', 11),\n",
" ('Leaders_Score', 'VARCHAR', 3),\n",
" ('Teachers_Icon', 'VARCHAR', 11),\n",
" ('Teachers_Score', 'VARCHAR', 3),\n",
" ('Parent_Engagement_Icon', 'VARCHAR', 7),\n",
" ('Parent_Engagement_Score', 'VARCHAR', 3),\n",
" ('Parent_Environment_Icon', 'VARCHAR', 7),\n",
" ('Parent_Environment_Score', 'VARCHAR', 3),\n",
" ('AVERAGE_STUDENT_ATTENDANCE', 'VARCHAR', 6),\n",
" ('Rate_of_Misconducts__per_100_students_', 'DECIMAL', 5),\n",
" ('Average_Teacher_Attendance', 'VARCHAR', 6),\n",
" ('Individualized_Education_Program_Compliance_Rate', 'VARCHAR', 7),\n",
" ('Pk_2_Literacy__', 'VARCHAR', 4),\n",
" ('Pk_2_Math__', 'VARCHAR', 4),\n",
" ('Gr3_5_Grade_Level_Math__', 'VARCHAR', 4),\n",
" ('Gr3_5_Grade_Level_Read__', 'VARCHAR', 4),\n",
" ('Gr3_5_Keep_Pace_Read__', 'VARCHAR', 4),\n",
" ('Gr3_5_Keep_Pace_Math__', 'VARCHAR', 4),\n",
" ('Gr6_8_Grade_Level_Math__', 'VARCHAR', 4),\n",
" ('Gr6_8_Grade_Level_Read__', 'VARCHAR', 4),\n",
" ('Gr6_8_Keep_Pace_Math_', 'VARCHAR', 4),\n",
" ('Gr6_8_Keep_Pace_Read__', 'VARCHAR', 4),\n",
" ('Gr_8_Explore_Math__', 'VARCHAR', 4),\n",
" ('Gr_8_Explore_Read__', 'VARCHAR', 4),\n",
" ('ISAT_Exceeding_Math__', 'DECIMAL', 4),\n",
" ('ISAT_Exceeding_Reading__', 'DECIMAL', 4),\n",
" ('ISAT_Value_Add_Math', 'DECIMAL', 3),\n",
" ('ISAT_Value_Add_Read', 'DECIMAL', 3),\n",
" ('ISAT_Value_Add_Color_Math', 'VARCHAR', 6),\n",
" ('ISAT_Value_Add_Color_Read', 'VARCHAR', 6),\n",
" ('Students_Taking__Algebra__', 'VARCHAR', 4),\n",
" ('Students_Passing__Algebra__', 'VARCHAR', 4),\n",
" ('9th Grade EXPLORE (2009)', 'VARCHAR', 4),\n",
" ('9th Grade EXPLORE (2010)', 'VARCHAR', 4),\n",
" ('10th Grade PLAN (2009)', 'VARCHAR', 4),\n",
" ('10th Grade PLAN (2010)', 'VARCHAR', 4),\n",
" ('Net_Change_EXPLORE_and_PLAN', 'VARCHAR', 3),\n",
" ('11th Grade Average ACT (2011)', 'VARCHAR', 4),\n",
" ('Net_Change_PLAN_and_ACT', 'VARCHAR', 3),\n",
" ('College_Eligibility__', 'VARCHAR', 4),\n",
" ('Graduation_Rate__', 'VARCHAR', 4),\n",
" ('College_Enrollment_Rate__', 'VARCHAR', 4),\n",
" ('COLLEGE_ENROLLMENT', 'SMALLINT', 2),\n",
" ('General_Services_Route', 'SMALLINT', 2),\n",
" ('Freshman_on_Track_Rate__', 'VARCHAR', 4),\n",
" ('X_COORDINATE', 'DECIMAL', 13),\n",
" ('Y_COORDINATE', 'DECIMAL', 13),\n",
" ('Latitude', 'DECIMAL', 18),\n",
" ('Longitude', 'DECIMAL', 18),\n",
" ('COMMUNITY_AREA_NUMBER', 'SMALLINT', 2),\n",
" ('COMMUNITY_AREA_NAME', 'VARCHAR', 22),\n",
" ('Ward', 'SMALLINT', 2),\n",
" ('Police_District', 'SMALLINT', 2),\n",
" ('Location', 'VARCHAR', 27)]"
]
},
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select COLNAME, TYPENAME, LENGTH from SYSCAT.COLUMNS where TABNAME = 'SCHOOLS'"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Questions\n",
"Is the column name for the \"SCHOOL ID\" attribute in upper or mixed case?\n",
"What is the name of \"Community Area Name\" column in your table? Does it have spaces?\n",
"Are there any columns in whose names the spaces and paranthesis (round brackets) have been replaced by the underscore character \"_\"?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 1\n",
"How many Elementary Schools are in the dataset?"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>1</th>\n",
" </tr>\n",
" <tr>\n",
" <td>462</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[(Decimal('462'),)]"
]
},
"execution_count": 15,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select count(*) from SCHOOLS where \"Elementary, Middle, or High School\" = 'ES'"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 2\n",
"What is the highest Safety Score?"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>max_safety_score</th>\n",
" </tr>\n",
" <tr>\n",
" <td>99</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[(99,)]"
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select MAX(Safety_Score) AS MAX_SAFETY_SCORE from SCHOOLS"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 3\n",
"Which schools have highest Safety Score?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"%sql select Name_of_School, Safety_Score from SCHOOLS where Safety_Score = 99\n",
"​\n",
"or, a better way:\n",
"​\n",
"%sql select Name_of_School, Safety_Score from SCHOOLS where \\\n",
" Safety_Score= (select MAX(Safety_Score) from SCHOOLS)"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>name_of_school</th>\n",
" <th>safety_score</th>\n",
" </tr>\n",
" <tr>\n",
" <td>Abraham Lincoln Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Alexander Graham Bell Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Annie Keller Elementary Gifted Magnet School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Augustus H Burley Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Edgar Allan Poe Elementary Classical School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Edgebrook Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Ellen Mitchell Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>James E McDade Elementary Classical School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>James G Blaine Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LaSalle Elementary Language Academy</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Mary E Courtenay Elementary Language Arts Center</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Northside College Preparatory High School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Northside Learning Center High School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Norwood Park Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Oriole Park Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Sauganash Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Stephen Decatur Classical Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Talman Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Wildwood Elementary School</td>\n",
" <td>99</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('Abraham Lincoln Elementary School', 99),\n",
" ('Alexander Graham Bell Elementary School', 99),\n",
" ('Annie Keller Elementary Gifted Magnet School', 99),\n",
" ('Augustus H Burley Elementary School', 99),\n",
" ('Edgar Allan Poe Elementary Classical School', 99),\n",
" ('Edgebrook Elementary School', 99),\n",
" ('Ellen Mitchell Elementary School', 99),\n",
" ('James E McDade Elementary Classical School', 99),\n",
" ('James G Blaine Elementary School', 99),\n",
" ('LaSalle Elementary Language Academy', 99),\n",
" ('Mary E Courtenay Elementary Language Arts Center', 99),\n",
" ('Northside College Preparatory High School', 99),\n",
" ('Northside Learning Center High School', 99),\n",
" ('Norwood Park Elementary School', 99),\n",
" ('Oriole Park Elementary School', 99),\n",
" ('Sauganash Elementary School', 99),\n",
" ('Stephen Decatur Classical Elementary School', 99),\n",
" ('Talman Elementary School', 99),\n",
" ('Wildwood Elementary School', 99)]"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select Name_of_School, Safety_Score from SCHOOLS where \\\n",
" Safety_Score= (select MAX(Safety_Score) from SCHOOLS)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 4\n",
"What are the top 10 schools with the highest \"Average Student Attendance\"?"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>name_of_school</th>\n",
" <th>average_student_attendance</th>\n",
" </tr>\n",
" <tr>\n",
" <td>John Charles Haines Elementary School</td>\n",
" <td>98.40%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>James Ward Elementary School</td>\n",
" <td>97.80%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Edgar Allan Poe Elementary Classical School</td>\n",
" <td>97.60%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Orozco Fine Arts &amp; Sciences Elementary School</td>\n",
" <td>97.60%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Rachel Carson Elementary School</td>\n",
" <td>97.60%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Annie Keller Elementary Gifted Magnet School</td>\n",
" <td>97.50%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Andrew Jackson Elementary Language Academy</td>\n",
" <td>97.40%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Lenart Elementary Regional Gifted Center</td>\n",
" <td>97.40%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Disney II Magnet School</td>\n",
" <td>97.30%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>John H Vanderpoel Elementary Magnet School</td>\n",
" <td>97.20%</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('John Charles Haines Elementary School', '98.40%'),\n",
" ('James Ward Elementary School', '97.80%'),\n",
" ('Edgar Allan Poe Elementary Classical School', '97.60%'),\n",
" ('Orozco Fine Arts & Sciences Elementary School', '97.60%'),\n",
" ('Rachel Carson Elementary School', '97.60%'),\n",
" ('Annie Keller Elementary Gifted Magnet School', '97.50%'),\n",
" ('Andrew Jackson Elementary Language Academy', '97.40%'),\n",
" ('Lenart Elementary Regional Gifted Center', '97.40%'),\n",
" ('Disney II Magnet School', '97.30%'),\n",
" ('John H Vanderpoel Elementary Magnet School', '97.20%')]"
]
},
"execution_count": 18,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select Name_of_School, Average_Student_Attendance from SCHOOLS \\\n",
" order by Average_Student_Attendance desc nulls last limit 10 "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 5\n",
"Retrieve the list of 5 Schools with the lowest Average Student Attendance sorted in ascending order based on attendance"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>name_of_school</th>\n",
" <th>average_student_attendance</th>\n",
" </tr>\n",
" <tr>\n",
" <td>Richard T Crane Technical Preparatory High School</td>\n",
" <td>57.90%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Barbara Vick Early Childhood &amp; Family Center</td>\n",
" <td>60.90%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Dyett High School</td>\n",
" <td>62.50%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Wendell Phillips Academy High School</td>\n",
" <td>63.00%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Orr Academy High School</td>\n",
" <td>66.30%</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('Richard T Crane Technical Preparatory High School', '57.90%'),\n",
" ('Barbara Vick Early Childhood & Family Center', '60.90%'),\n",
" ('Dyett High School', '62.50%'),\n",
" ('Wendell Phillips Academy High School', '63.00%'),\n",
" ('Orr Academy High School', '66.30%')]"
]
},
"execution_count": 19,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql SELECT Name_of_School, Average_Student_Attendance \\\n",
" from SCHOOLS \\\n",
" order by Average_Student_Attendance \\\n",
" fetch first 5 rows only"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 6\n",
"Now remove the '%' sign from the above result set for Average Student Attendance column"
]
},
{
"cell_type": "code",
"execution_count": 20,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>name_of_school</th>\n",
" <th>2</th>\n",
" </tr>\n",
" <tr>\n",
" <td>Richard T Crane Technical Preparatory High School</td>\n",
" <td>57.90</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Barbara Vick Early Childhood &amp; Family Center</td>\n",
" <td>60.90</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Dyett High School</td>\n",
" <td>62.50</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Wendell Phillips Academy High School</td>\n",
" <td>63.00</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Orr Academy High School</td>\n",
" <td>66.30</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('Richard T Crane Technical Preparatory High School', '57.90'),\n",
" ('Barbara Vick Early Childhood & Family Center', '60.90'),\n",
" ('Dyett High School', '62.50'),\n",
" ('Wendell Phillips Academy High School', '63.00'),\n",
" ('Orr Academy High School', '66.30')]"
]
},
"execution_count": 20,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql SELECT Name_of_School, REPLACE(Average_Student_Attendance, '%', '') \\\n",
" from SCHOOLS \\\n",
" order by Average_Student_Attendance \\\n",
" fetch first 5 rows only"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 7\n",
"Which Schools have Average Student Attendance lower than 70%?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"%sql SELECT Name_of_School, Average_Student_Attendance \\\n",
" from SCHOOLS \\\n",
" where CAST ( REPLACE(Average_Student_Attendance, '%', '') AS DOUBLE ) < 70 \\\n",
" order by Average_Student_Attendance\n",
" \n",
"or,\n",
"\n",
"%sql SELECT Name_of_School, Average_Student_Attendance \\\n",
" from SCHOOLS \\\n",
" where DECIMAL ( REPLACE(Average_Student_Attendance, '%', '') ) < 70 \\\n",
" order by Average_Student_Attendance"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>name_of_school</th>\n",
" <th>average_student_attendance</th>\n",
" </tr>\n",
" <tr>\n",
" <td>Richard T Crane Technical Preparatory High School</td>\n",
" <td>57.90%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Barbara Vick Early Childhood &amp; Family Center</td>\n",
" <td>60.90%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Dyett High School</td>\n",
" <td>62.50%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Wendell Phillips Academy High School</td>\n",
" <td>63.00%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Orr Academy High School</td>\n",
" <td>66.30%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Manley Career Academy High School</td>\n",
" <td>66.80%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Chicago Vocational Career Academy High School</td>\n",
" <td>68.80%</td>\n",
" </tr>\n",
" <tr>\n",
" <td>Roberto Clemente Community Academy High School</td>\n",
" <td>69.60%</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('Richard T Crane Technical Preparatory High School', '57.90%'),\n",
" ('Barbara Vick Early Childhood & Family Center', '60.90%'),\n",
" ('Dyett High School', '62.50%'),\n",
" ('Wendell Phillips Academy High School', '63.00%'),\n",
" ('Orr Academy High School', '66.30%'),\n",
" ('Manley Career Academy High School', '66.80%'),\n",
" ('Chicago Vocational Career Academy High School', '68.80%'),\n",
" ('Roberto Clemente Community Academy High School', '69.60%')]"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql SELECT Name_of_School, Average_Student_Attendance \\\n",
" from SCHOOLS \\\n",
" where CAST ( REPLACE(Average_Student_Attendance, '%', '') AS DOUBLE ) < 70 \\\n",
" order by Average_Student_Attendance"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 8\n",
"Get the total College Enrollment for each Community Area"
]
},
{
"cell_type": "code",
"execution_count": 23,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>community_area_name</th>\n",
" <th>total_enrollment</th>\n",
" </tr>\n",
" <tr>\n",
" <td>ALBANY PARK</td>\n",
" <td>6864</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ARCHER HEIGHTS</td>\n",
" <td>4823</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ARMOUR SQUARE</td>\n",
" <td>1458</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ASHBURN</td>\n",
" <td>6483</td>\n",
" </tr>\n",
" <tr>\n",
" <td>AUBURN GRESHAM</td>\n",
" <td>4175</td>\n",
" </tr>\n",
" <tr>\n",
" <td>AUSTIN</td>\n",
" <td>10933</td>\n",
" </tr>\n",
" <tr>\n",
" <td>AVALON PARK</td>\n",
" <td>1522</td>\n",
" </tr>\n",
" <tr>\n",
" <td>AVONDALE</td>\n",
" <td>3640</td>\n",
" </tr>\n",
" <tr>\n",
" <td>BELMONT CRAGIN</td>\n",
" <td>14386</td>\n",
" </tr>\n",
" <tr>\n",
" <td>BEVERLY</td>\n",
" <td>1636</td>\n",
" </tr>\n",
" <tr>\n",
" <td>BRIDGEPORT</td>\n",
" <td>3167</td>\n",
" </tr>\n",
" <tr>\n",
" <td>BRIGHTON PARK</td>\n",
" <td>9647</td>\n",
" </tr>\n",
" <tr>\n",
" <td>BURNSIDE</td>\n",
" <td>549</td>\n",
" </tr>\n",
" <tr>\n",
" <td>CALUMET HEIGHTS</td>\n",
" <td>1568</td>\n",
" </tr>\n",
" <tr>\n",
" <td>CHATHAM</td>\n",
" <td>5042</td>\n",
" </tr>\n",
" <tr>\n",
" <td>CHICAGO LAWN</td>\n",
" <td>7086</td>\n",
" </tr>\n",
" <tr>\n",
" <td>CLEARING</td>\n",
" <td>2085</td>\n",
" </tr>\n",
" <tr>\n",
" <td>DOUGLAS</td>\n",
" <td>4670</td>\n",
" </tr>\n",
" <tr>\n",
" <td>DUNNING</td>\n",
" <td>4568</td>\n",
" </tr>\n",
" <tr>\n",
" <td>EAST GARFIELD PARK</td>\n",
" <td>5337</td>\n",
" </tr>\n",
" <tr>\n",
" <td>EAST SIDE</td>\n",
" <td>5305</td>\n",
" </tr>\n",
" <tr>\n",
" <td>EDGEWATER</td>\n",
" <td>4600</td>\n",
" </tr>\n",
" <tr>\n",
" <td>EDISON PARK</td>\n",
" <td>910</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ENGLEWOOD</td>\n",
" <td>6832</td>\n",
" </tr>\n",
" <tr>\n",
" <td>FOREST GLEN</td>\n",
" <td>1431</td>\n",
" </tr>\n",
" <tr>\n",
" <td>FULLER PARK</td>\n",
" <td>531</td>\n",
" </tr>\n",
" <tr>\n",
" <td>GAGE PARK</td>\n",
" <td>9915</td>\n",
" </tr>\n",
" <tr>\n",
" <td>GARFIELD RIDGE</td>\n",
" <td>4552</td>\n",
" </tr>\n",
" <tr>\n",
" <td>GRAND BOULEVARD</td>\n",
" <td>2809</td>\n",
" </tr>\n",
" <tr>\n",
" <td>GREATER GRAND CROSSING</td>\n",
" <td>4051</td>\n",
" </tr>\n",
" <tr>\n",
" <td>HEGEWISCH</td>\n",
" <td>963</td>\n",
" </tr>\n",
" <tr>\n",
" <td>HERMOSA</td>\n",
" <td>3975</td>\n",
" </tr>\n",
" <tr>\n",
" <td>HUMBOLDT PARK</td>\n",
" <td>8620</td>\n",
" </tr>\n",
" <tr>\n",
" <td>HYDE PARK</td>\n",
" <td>1930</td>\n",
" </tr>\n",
" <tr>\n",
" <td>IRVING PARK</td>\n",
" <td>7764</td>\n",
" </tr>\n",
" <tr>\n",
" <td>JEFFERSON PARK</td>\n",
" <td>1755</td>\n",
" </tr>\n",
" <tr>\n",
" <td>KENWOOD</td>\n",
" <td>4287</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LAKE VIEW</td>\n",
" <td>7055</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LINCOLN PARK</td>\n",
" <td>5615</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LINCOLN SQUARE</td>\n",
" <td>4132</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LOGAN SQUARE</td>\n",
" <td>7351</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LOOP</td>\n",
" <td>871</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LOWER WEST SIDE</td>\n",
" <td>7257</td>\n",
" </tr>\n",
" <tr>\n",
" <td>MCKINLEY PARK</td>\n",
" <td>1552</td>\n",
" </tr>\n",
" <tr>\n",
" <td>MONTCLARE</td>\n",
" <td>1317</td>\n",
" </tr>\n",
" <tr>\n",
" <td>MORGAN PARK</td>\n",
" <td>3271</td>\n",
" </tr>\n",
" <tr>\n",
" <td>MOUNT GREENWOOD</td>\n",
" <td>2091</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NEAR NORTH SIDE</td>\n",
" <td>3362</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NEAR SOUTH SIDE</td>\n",
" <td>1378</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NEAR WEST SIDE</td>\n",
" <td>7975</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NEW CITY</td>\n",
" <td>7922</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NORTH CENTER</td>\n",
" <td>7541</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NORTH LAWNDALE</td>\n",
" <td>5146</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NORTH PARK</td>\n",
" <td>4210</td>\n",
" </tr>\n",
" <tr>\n",
" <td>NORWOOD PARK</td>\n",
" <td>6469</td>\n",
" </tr>\n",
" <tr>\n",
" <td>OAKLAND</td>\n",
" <td>140</td>\n",
" </tr>\n",
" <tr>\n",
" <td>OHARE</td>\n",
" <td>786</td>\n",
" </tr>\n",
" <tr>\n",
" <td>PORTAGE PARK</td>\n",
" <td>6954</td>\n",
" </tr>\n",
" <tr>\n",
" <td>PULLMAN</td>\n",
" <td>1620</td>\n",
" </tr>\n",
" <tr>\n",
" <td>RIVERDALE</td>\n",
" <td>1547</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ROGERS PARK</td>\n",
" <td>4068</td>\n",
" </tr>\n",
" <tr>\n",
" <td>ROSELAND</td>\n",
" <td>7020</td>\n",
" </tr>\n",
" <tr>\n",
" <td>SOUTH CHICAGO</td>\n",
" <td>4043</td>\n",
" </tr>\n",
" <tr>\n",
" <td>SOUTH DEERING</td>\n",
" <td>1859</td>\n",
" </tr>\n",
" <tr>\n",
" <td>SOUTH LAWNDALE</td>\n",
" <td>14793</td>\n",
" </tr>\n",
" <tr>\n",
" <td>SOUTH SHORE</td>\n",
" <td>4543</td>\n",
" </tr>\n",
" <tr>\n",
" <td>UPTOWN</td>\n",
" <td>4388</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WASHINGTON HEIGHTS</td>\n",
" <td>4006</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WASHINGTON PARK</td>\n",
" <td>2648</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST ELSDON</td>\n",
" <td>3700</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST ENGLEWOOD</td>\n",
" <td>5946</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST GARFIELD PARK</td>\n",
" <td>2622</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST LAWN</td>\n",
" <td>4207</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST PULLMAN</td>\n",
" <td>3240</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST RIDGE</td>\n",
" <td>8197</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WEST TOWN</td>\n",
" <td>9429</td>\n",
" </tr>\n",
" <tr>\n",
" <td>WOODLAWN</td>\n",
" <td>4206</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('ALBANY PARK', 6864),\n",
" ('ARCHER HEIGHTS', 4823),\n",
" ('ARMOUR SQUARE', 1458),\n",
" ('ASHBURN', 6483),\n",
" ('AUBURN GRESHAM', 4175),\n",
" ('AUSTIN', 10933),\n",
" ('AVALON PARK', 1522),\n",
" ('AVONDALE', 3640),\n",
" ('BELMONT CRAGIN', 14386),\n",
" ('BEVERLY', 1636),\n",
" ('BRIDGEPORT', 3167),\n",
" ('BRIGHTON PARK', 9647),\n",
" ('BURNSIDE', 549),\n",
" ('CALUMET HEIGHTS', 1568),\n",
" ('CHATHAM', 5042),\n",
" ('CHICAGO LAWN', 7086),\n",
" ('CLEARING', 2085),\n",
" ('DOUGLAS', 4670),\n",
" ('DUNNING', 4568),\n",
" ('EAST GARFIELD PARK', 5337),\n",
" ('EAST SIDE', 5305),\n",
" ('EDGEWATER', 4600),\n",
" ('EDISON PARK', 910),\n",
" ('ENGLEWOOD', 6832),\n",
" ('FOREST GLEN', 1431),\n",
" ('FULLER PARK', 531),\n",
" ('GAGE PARK', 9915),\n",
" ('GARFIELD RIDGE', 4552),\n",
" ('GRAND BOULEVARD', 2809),\n",
" ('GREATER GRAND CROSSING', 4051),\n",
" ('HEGEWISCH', 963),\n",
" ('HERMOSA', 3975),\n",
" ('HUMBOLDT PARK', 8620),\n",
" ('HYDE PARK', 1930),\n",
" ('IRVING PARK', 7764),\n",
" ('JEFFERSON PARK', 1755),\n",
" ('KENWOOD', 4287),\n",
" ('LAKE VIEW', 7055),\n",
" ('LINCOLN PARK', 5615),\n",
" ('LINCOLN SQUARE', 4132),\n",
" ('LOGAN SQUARE', 7351),\n",
" ('LOOP', 871),\n",
" ('LOWER WEST SIDE', 7257),\n",
" ('MCKINLEY PARK', 1552),\n",
" ('MONTCLARE', 1317),\n",
" ('MORGAN PARK', 3271),\n",
" ('MOUNT GREENWOOD', 2091),\n",
" ('NEAR NORTH SIDE', 3362),\n",
" ('NEAR SOUTH SIDE', 1378),\n",
" ('NEAR WEST SIDE', 7975),\n",
" ('NEW CITY', 7922),\n",
" ('NORTH CENTER', 7541),\n",
" ('NORTH LAWNDALE', 5146),\n",
" ('NORTH PARK', 4210),\n",
" ('NORWOOD PARK', 6469),\n",
" ('OAKLAND', 140),\n",
" ('OHARE', 786),\n",
" ('PORTAGE PARK', 6954),\n",
" ('PULLMAN', 1620),\n",
" ('RIVERDALE', 1547),\n",
" ('ROGERS PARK', 4068),\n",
" ('ROSELAND', 7020),\n",
" ('SOUTH CHICAGO', 4043),\n",
" ('SOUTH DEERING', 1859),\n",
" ('SOUTH LAWNDALE', 14793),\n",
" ('SOUTH SHORE', 4543),\n",
" ('UPTOWN', 4388),\n",
" ('WASHINGTON HEIGHTS', 4006),\n",
" ('WASHINGTON PARK', 2648),\n",
" ('WEST ELSDON', 3700),\n",
" ('WEST ENGLEWOOD', 5946),\n",
" ('WEST GARFIELD PARK', 2622),\n",
" ('WEST LAWN', 4207),\n",
" ('WEST PULLMAN', 3240),\n",
" ('WEST RIDGE', 8197),\n",
" ('WEST TOWN', 9429),\n",
" ('WOODLAWN', 4206)]"
]
},
"execution_count": 23,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select Community_Area_Name, sum(College_Enrollment) AS TOTAL_ENROLLMENT \\\n",
" from SCHOOLS \\\n",
" group by Community_Area_Name "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 9\n",
"Get the 5 Community Areas with the least total College Enrollment sorted in ascending order"
]
},
{
"cell_type": "code",
"execution_count": 24,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"Done.\n"
]
},
{
"data": {
"text/html": [
"<table>\n",
" <tr>\n",
" <th>community_area_name</th>\n",
" <th>total_enrollment</th>\n",
" </tr>\n",
" <tr>\n",
" <td>OAKLAND</td>\n",
" <td>140</td>\n",
" </tr>\n",
" <tr>\n",
" <td>FULLER PARK</td>\n",
" <td>531</td>\n",
" </tr>\n",
" <tr>\n",
" <td>BURNSIDE</td>\n",
" <td>549</td>\n",
" </tr>\n",
" <tr>\n",
" <td>OHARE</td>\n",
" <td>786</td>\n",
" </tr>\n",
" <tr>\n",
" <td>LOOP</td>\n",
" <td>871</td>\n",
" </tr>\n",
"</table>"
],
"text/plain": [
"[('OAKLAND', 140),\n",
" ('FULLER PARK', 531),\n",
" ('BURNSIDE', 549),\n",
" ('OHARE', 786),\n",
" ('LOOP', 871)]"
]
},
"execution_count": 24,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%sql select Community_Area_Name, sum(College_Enrollment) AS TOTAL_ENROLLMENT \\\n",
" from SCHOOLS \\\n",
" group by Community_Area_Name \\\n",
" order by TOTAL_ENROLLMENT asc \\\n",
" fetch first 5 rows only"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Problem 10\n",
"Get the hardship index for the community area which has College Enrollment of 4638"
]
},
{
"cell_type": "code",
"execution_count": 33,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" * ibm_db_sa://dfk30111:***@dashdb-txn-sbox-yp-dal09-04.services.dal.bluemix.net:50000/BLUDB\n",
"(ibm_db_dbi.ProgrammingError) ibm_db_dbi::ProgrammingError: SQLNumResultCols failed: [IBM][CLI Driver][DB2/LINUXX8664] SQL0204N \"DFK30111.CHICAGO_SOCIOECONOMIC_DATA\" is an undefined name. SQLSTATE=42704 SQLCODE=-204\n",
"[SQL: select hardship_index \n",
" from chicago_socioeconomic_data CD, schools CPS \n",
" where CD.ca = CPS.community_area_number \n",
" and college_enrollment = 4368]\n",
"(Background on this error at: http://sqlalche.me/e/f405)\n"
]
}
],
"source": [
"%%sql \n",
"select hardship_index \n",
" from chicago_socioeconomic_data CD, schools CPS \n",
" where CD.ca = CPS.community_area_number \n",
" and college_enrollment = 4368"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.8"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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