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 - Chapter Review Problems - Page 453: 34

Answer

See the explanation

Work Step by Step

The provided program segment answers the question: "What are the TermDate and StartDate for the job with JobId '23Y34'?" This is inferred from the sequence of operations: 1. **Join**: It joins the JOB table with the ASSIGNMENT table on the JobId column to get all assignments for each job. 2. **Select**: It selects the rows from the joined table where Emp1Id is '23Y34', which identifies the specific job assignment for the employee with ID '23Y34'. 3. **Project**: It projects the TermDate and StartDate columns from the filtered result, which gives the TermDate and StartDate for the job with JobId '23Y34'.
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