SQL Self-Teaching Guide Wiley Self-Teaching Guides are designed for first-time users of specific computer applications. These practical guides follow a logical progression that takes you step-by-step from the basics to advanced techniques. Each book enables you to measure your progress and learn at your own pace. With Wiley Self-Teaching Guides, learning to master computers is easy, rewarding, and fun. Using SQL, you'll find out how a single language can be used to link your organization's microcomputers, minicomputers, and mainframe databases. This Self-Teaching Guide leads you through the basics of SQL and addresses several general SQL issues. Covers relational databases, database query techniques, SQL structure, and more Explains how to build the SQL query and subquery, and create complex queries Provides a handy quick reference to SQL Explains how different SQL products relate to each other You'll also get important information on Database query techniques Defining a database Querying and updating data Database security Grant and Revoke operations Embedded SQL Client-server databases