Learning SQL

To help you attain this fundamental SQL knowledge, look to Learning SQL, an introductory guide to SQL, designed primarily for developers just cutting their teeth on the language.

Learning SQL moves you quickly through the basics and then on to some of the more commonly used advanced features. Among the topics discussed:

• The history of the computerized database
• SQL Data Statements--those used to create, manipulate, and retrieve data stored in your database; example statements include select, update, insert, and delete
• SQL Schema Statements--those used to create database objects, such as tables, indexes, and constraints
• How data sets can interact with queries
• The importance of subqueries
• Data conversion and manipulation via SQL's built-in functions
• How conditional logic can be used in Data Statements

Put the power and flexibility of SQL to work. With Learning SQL you can master this important skill and know that the SQL statements you write are indeed correct.