Computer Science: An Overview: Global Edition (12th Edition)

Published by Pearson Higher Education
ISBN 10: 1292061162
ISBN 13: 978-1-29206-116-0

Chapter 9 - Database Systems - Section 9.2 - The Relational Model - Questions & Exercises - Page 432: 3


solution 1

Work Step by Step

One solution is TEMP1 ← JOIN JOB and ASSIGNMENT where JOB.JobId = ASSIGNMENT.JobId TEMP2 ← SELECT from TEMP1 where TermDate = “*” TEMP3 ← JOIN EMPLOYEE and TEMP2 where EMPLOYEE.EmplId = TEMP2.EmplId RESULT ← PROJECT Name, Dept from TEMP3
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