In this course you will learn how to develop and maintain large, complex FOCUS applications. Also covered are optimization techniques to decrease response time and help your applications run faster. You will explore how to shorten the development cycle with testing and debugging tools, as well as how to allow multiple users simultaneous access while still maintaining data integrity and file security.

Topics Include:

	Efficiencies in MODIFY execution
	Multiple record processing
	Simultaneous Usage (SU)
	Database security
	Testing and debugging
	COMMIT and ROLLBACK

Course 111, in-depth knowledge of FOCUS, and a working knowledge of MODIFY, including MATCH and NEXT logic. Knowledge of cross-referencing and JOIN is helpful.