February 2013
Beginner
432 pages
10h 19m
English
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Chapter 18. Data manipulation triggers
After completing this chapter, you will be able to
Explain the different types of triggers.
Create, alter, and drop triggers.
Explain practical uses of triggers.
Data manipulation triggers are sets of T-SQL statements that perform a specific action. They are often referred to as a special kind of stored procedure. Unlike stored procedures, triggers are executed only when a user or application attempts to modify data using Data Manipulation Language (DML). DML includes INSERTs, UPDATEs, and DELETEs against views and tables.
In this chapter, you will look at different types of DML triggers. You will learn how to create, modify, and drop triggers. Finally, you will walk through the steps to enable or disable an existing ...
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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.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.