Consider the relational schema shown in Figure below. a. Give a schema definition in SQL: 1999 corresponding

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Consider the relational schema shown in Figure below.

a. Give a schema definition in SQL: 1999 corresponding to the relational schema, but using references to express foreign-key relationships.

b. Write each of the queries in Exercise 3.10 on the above schema, using SQL:1999.

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Question Posted: Jan 28, 2011 05:54 AM

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Consider the relational schema shown in Figure below. a. Give a schema definition in SQL: 1999 corresponding

Question:

employee (person-name, street, city) works (person-nanme, company-name, salary) соmpанy (companyу-нате, city) manages (person-name, manager-name)

Step by Step Answer:

a The schema definition is given below Note that backward references can be addedbut they are not so ...View the full answer

Database System Concepts

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