Write a query to display the patron ID, last name, number of times that patron has ever checked out a book, and the number of different books the patron has ever checked out. For example, if a given patron has checked out the same book twice, that would count as two checkouts but only one book. Limit the results to only patrons who have made at least three checkouts. Sort the results in descending order by number of books, then in descending order by number of checkouts, and then in ascending order by patron ID (Figure P7.102).

A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
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Chapter2: Database Design Fundamentals
Section: Chapter Questions
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Problem 102
Write a query to display the patron ID, last name, number of times that patron has
ever checked out a book, and the number of different books the patron has ever
checked out. For example, if a given patron has checked out the same book twice,
that would count as two checkouts but only one book. Limit the results to only
patrons who have made at least three checkouts. Sort the results in descending
order by number of books, then in descending order by number of checkouts, and
then in ascending order by patron ID (Figure P7.102).
PAT ID
PAT LNAME
NUM CHECKOUTS
NUM DIFFERENT BOOKS
1161
Коch
3.
1165
Baldwin
3
1181
Horne
3
3
1185
Yang
3
1210
Cooley
3.
1229
Burke
3
3
1160
carter
3
1171
Marsh
2.
1172
Miles
2.
1207
Ramos
2.
LUL 7 102
Transcribed Image Text:Problem 102 Write a query to display the patron ID, last name, number of times that patron has ever checked out a book, and the number of different books the patron has ever checked out. For example, if a given patron has checked out the same book twice, that would count as two checkouts but only one book. Limit the results to only patrons who have made at least three checkouts. Sort the results in descending order by number of books, then in descending order by number of checkouts, and then in ascending order by patron ID (Figure P7.102). PAT ID PAT LNAME NUM CHECKOUTS NUM DIFFERENT BOOKS 1161 Коch 3. 1165 Baldwin 3 1181 Horne 3 3 1185 Yang 3 1210 Cooley 3. 1229 Burke 3 3 1160 carter 3 1171 Marsh 2. 1172 Miles 2. 1207 Ramos 2. LUL 7 102
Database Schema
The schema for the Ch07_FACT database is shown below and should be used to answer the
next several problems. Click this image to view it in its own tab.
FIGURE P7.56 THE CH07_FACT ERD
CHECKOUT
PATRON
PK
Check Num
PK Pat ID
FK1 Book_Num
FK2 Pat_ID
Check_Out_Date
Check_Due_Date
Check_In_Date
>0-----H-
Pat_FName
Pat LName
Pat_Type
BOOK
AUTHOR
PK
Book_Num
PK Au ID
Book_Title
Book_Year
Book_Cost
Book_Subject
FK1 Pat_ID
Au_FName
Au_LName
Au_BirthYear
WRITES
PK,FK1 Book Num
PK,FK2 Au ID
The CIS Department at Tiny College maintains the Free Access to Current Technology (FACT)
library of e-books. FACT is a collection of current technology e-books for use by faculty and
students. Agreements with the publishers allow patrons to electronically check out a book,
Transcribed Image Text:Database Schema The schema for the Ch07_FACT database is shown below and should be used to answer the next several problems. Click this image to view it in its own tab. FIGURE P7.56 THE CH07_FACT ERD CHECKOUT PATRON PK Check Num PK Pat ID FK1 Book_Num FK2 Pat_ID Check_Out_Date Check_Due_Date Check_In_Date >0-----H- Pat_FName Pat LName Pat_Type BOOK AUTHOR PK Book_Num PK Au ID Book_Title Book_Year Book_Cost Book_Subject FK1 Pat_ID Au_FName Au_LName Au_BirthYear WRITES PK,FK1 Book Num PK,FK2 Au ID The CIS Department at Tiny College maintains the Free Access to Current Technology (FACT) library of e-books. FACT is a collection of current technology e-books for use by faculty and students. Agreements with the publishers allow patrons to electronically check out a book,
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