Hour 14. Using Subqueries to Define Unknown Data

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Sams Teach Yourself SQL in 24 Hours, Third Edition
By Ronald R. Plew, Ryan K. Stephens
Table of Contents
Part IV.  Building Sophisticated Database Queries


Hour 14. Using Subqueries to Define Unknown Data

During this hour, you are presented with the concept of using subqueries to return results from a database query more effectively.

The highlights of this hour include

  • What a subquery is

  • The justifications of using subqueries

  • Examples of subqueries in regular database queries

  • Using subqueries with data manipulation commands

  • Embedded subqueries


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Sams Teach Yourself SQL in 24 Hours
Sams Teach Yourself SQL in 24 Hours (5th Edition) (Sams Teach Yourself -- Hours)
ISBN: 0672335417
EAN: 2147483647
Year: 2002
Pages: 275

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