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

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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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.

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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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