June 2018
Intermediate to advanced
478 pages
10h 52m
English
Content preview from IBM Db2 11.1 Certification Guide
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Implementing Business Rules
This chapter will prepare you for creating and using constraints to enforce business rules at the database layer. You will also learn how to use triggers and constraints to enforce data integrity rules. This chapter will introduce you to the key system catalog tables, which describe the physical and logical structure of the data stored in the database.
After the completion of this chapter, you will be able to demonstrate the ability to:
- Understand various constraints, such as NOT NULL, DEFAULT, CHECK, UNIQUE, referential integrity, and NOT ENFORCED informational constraints and to determine when and how to use them
- Create views with CHECK OPTION
- Use the SET INTEGRITY command
- Create and use triggers
- Understand ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.