Answered: Consider a student table sid, zno,…

Consider a student table sid, zno, name, age) where (sid, zno) is a primary key. Then the composite attribute (zno, name) becomes a super key. (a) True (b)False Explain both options

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter7: Database Administration

Section: Chapter Questions

Problem 7SCG: Delete the OWNER_INDEX 3 index from the OWNER table.

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Concept explainers

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.

Question

Consider a student table sid, zno, name, age) where (sid, zno) is a primary key. Then the
composite attribute (zno, name) becomes a super key.
(a)True
(b)False
Explain both options

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