Consider the relational database below, where the primary keys are underlined. employee (person-name, street, city) works (person-name, company-name, salary) company (company-name, city) manages (person-name, manager-name) Give a query for each of the following: a Give all managers in database a 10 percent raise. b Give managers in the database a 10 percent raise, unless the salary would be greater than $100,000. In such cases, give only 3 percent raise. c Delete all tuples in the works relation for employees of Small Bank Corporation
Consider the relational database below, where the primary keys are underlined. employee (person-name, street, city) works (person-name, company-name, salary) company (company-name, city) manages (person-name, manager-name) Give a query for each of the following: a Give all managers in database a 10 percent raise. b Give managers in the database a 10 percent raise, unless the salary would be greater than $100,000. In such cases, give only 3 percent raise. c Delete all tuples in the works relation for employees of Small Bank Corporation
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter10: Transaction Management And Concurrency Control
Section: Chapter Questions
Problem 1P
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Consider the relational
employee (person-name, street, city)
works (person-name, company-name, salary)
company (company-name, city)
manages (person-name, manager-name)
Give a query for each of the following:
a Give all managers in database a 10 percent raise.
b Give managers in the database a 10 percent raise, unless the salary would be greater
than $100,000. In such cases, give only 3 percent raise.
c Delete all tuples in the works relation for employees of Small Bank Corporation
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