January 2017
Intermediate to advanced
400 pages
13h 56m
English
Content preview from Exam Ref 70-762 Developing SQL Databases
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Skill 2.3 Create triggers and user-defined functions
In this final skill of the chapter, we cover two very different, and somewhat lesser-used features of Transact-SQL, with very little overlap between them.
First we look at TRIGGER objects, which in itself is a very large topic, particularly because there are three different types of triggers that you can work with, but equally because they are quite a bit more complex than STORED PROCEDURE objects. You use them to react to some event, either a DML operation such as an INSERT, UPDATE or DELETE statement execution; someone changing a setting or object on the server; or even someone logging into a server.
Then we cover the details of User-Defined Functions (or UDFs) that allow you to create ...
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