Sams Teach Yourself SQL in 24 Hours, Fourth Edition

Chapter 22. Advanced SQL Topics

During this hour, you are introduced to some advanced SQL topics that extend beyond the basic operations that you have learned so far, such as querying data from the database, building database structures, and manipulating data within the database. By the end of the hour, you should understand the concepts behind cursors, stored procedures, triggers, dynamic SQL, direct versus embedded SQL, and SQL generated from SQL. These advanced topics are features available in many implementations, all of which provide enhancements to the parts of SQL discussed so far.

The highlights of this hour include:

• What cursors are

• Using stored procedures

• What triggers are

• Basics of dynamic SQL

• Using SQL to generate SQL

• Direct SQL versus embedded ...