Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Subqueries Assignment The city s Crime Analysis unit has submitted the following data requests. Provide the SQL statements using subqueries to satisfy the requests. Test

Subqueries Assignment
The citys Crime Analysis unit has submitted the following data requests. Provide the SQL
statements using subqueries to satisfy the requests. Test the statements and show execution
results.
1. List the name of each officer who has reported more than the average number of crimes
officers have reported.
SQL/MySQL Code:
Screenshot:
2. List the names of all criminals who have committed less than average number of crimes
and arent listed as violent offenders.
SQL/MySQL Code:
Screenshot:
3. List appeal information for each appeal that has a less than average number of days
between the filing and hearing dates.
SQL/MySQL Code:
Screenshot:
4. List the names of probation officers who have had a less than average number of
criminals assigned.
SQL/MySQL Code:
Screenshot:
5. List each crime that has had the highest number of appeals recorded.
SQL/MySQL Code:
Screenshot:
6. List the information on crime charges for each charge that has had a fine above average
and a sum paid below average.
SQL/MySQL Code:
Screenshot:
7. List the names of all criminals who have had any of the crime code charges involved in
crime ID 10089.
SQL/MySQL Code:
Screenshot:
8. Use a correlated subquery to determine which criminals have had at least one probation
period assigned.
SQL/MySQL Code:
Screenshot:
9. List the names of officers who have booked the highest number of crimes. Note that more
than one officer might be listed.
SQL/MySQL Code:
Screenshot:
10. The criminal data warehouse contains a copy of the CRIMINALS table that needs to be
updated periodically from the production CRIMINALS table. The data warehouse table is
named CRIMINALS_DW. Use a single SQL statement to update the data warehouse
table to reflect any data changes for existing criminals and to add new criminals. Note:
Use a MERGE statement to satisfy this request.
SQL/MySQL Code:
Screenshot:

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Students also viewed these Databases questions