Problem 102Write a query to display the patron ID, last name, number of times that patron hasever checked out a book, and the number of different books the patron has everchecked 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 onlypatrons who have made at least three checkouts. Sort the results in descendingorder by number of books, then in descending order by number of checkouts, andthen in ascending order by patron ID (Figure P7.102).PAT IDPAT LNAMENUM CHECKOUTSNUM DIFFERENT BOOKS1161Коch3.1165Baldwin31181Horne331185Yang31210Cooley3.1229Burke331160carter31171Marsh2.1172Miles2.1207Ramos2.LUL 7 102 Database SchemaThe schema for the Ch07_FACT database is shown below and should be used to answer thenext several problems. Click this image to view it in its own tab.FIGURE P7.56 THE CH07_FACT ERDCHECKOUTPATRONPKCheck NumPK Pat IDFK1 Book_NumFK2 Pat_IDCheck_Out_DateCheck_Due_DateCheck_In_Date>0-----H-Pat_FNamePat LNamePat_TypeBOOKAUTHORPKBook_NumPK Au IDBook_TitleBook_YearBook_CostBook_SubjectFK1 Pat_IDAu_FNameAu_LNameAu_BirthYearWRITESPK,FK1 Book NumPK,FK2 Au IDThe 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 andstudents. Agreements with the publishers allow patrons to electronically check out a book,

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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).

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).

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.

Question

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,

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