Consider the relational database of Figure 3.20. Give an expression in SQL for each of the following queries. a. Modify the database so that "Jones" now livesin "Newtown". b. Give all managers of "First Bank Corporation" a 10 percent raise unless the salary becomes greater than $100,000; in such cases, give only a 3 percent raise.
Consider the relational database of Figure 3.20. Give an expression in SQL for each of the following queries. a. Modify the database so that "Jones" now livesin "Newtown". b. Give all managers of "First Bank Corporation" a 10 percent raise unless the salary becomes greater than $100,000; in such cases, give only a 3 percent raise.
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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Transcribed Image Text:2. (Short Answer, 10.0points)
employee (employee_name, street, city)
works (employee_name, company name, salary)
company (company name, city)
manages (employee_name, manager_name)
Figure 3.20
Employee database for Exercises 3.9, 3.10, 3.16, 3.17, and 3.20.
Consider the relational database of Figure 3.20. Give an expression in SQL for each of the following queries.
a. Modify the database so that "Jones" now livesin "Newtown".
b. Give all managers of "First Bank Corporation" a 10 percent raise unless the salary becomes greater than $100,000; in
such cases, give only a 3 percent raise.
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