employee (ID. person_name, street, city) works (ID, compaпy_лате, salary) соmpany (compапyлате, сity) manages (ID, manager_id) Figure 3.19 Employee database.

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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Consider the relational database of Figure 3.19. Give an expression in SQL for each of the following:
a. Modify the database so that the employee whose ID is '12345' now lives in “Newtown”.
b. Give each manager of “First Bank Corporation” a 10 percent raise unless the salary becomes greater than $100000; in such cases, give only a 3 percent raise.
employee (ID. person_name, street, city)
works (ID, compaпy_лате, salary)
соmpany (compапyлате, сity)
manages (ID, manager_id)
Figure 3.19 Employee database.
Transcribed Image Text:employee (ID. person_name, street, city) works (ID, compaпy_лате, salary) соmpany (compапyлате, сity) manages (ID, manager_id) Figure 3.19 Employee database.
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