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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

INSTEAD OF Triggers

SQL Server 2000 introduced a type of trigger called an INSTEAD OF trigger. This type of trigger extends SQL Server’s trigger capabilities and provides an alternative to the AFTER trigger that was heavily utilized in prior versions of SQL Server.

The name of the trigger gives you some insight into how this trigger operates: this trigger performs its actions instead of the action that fired it. This is much different from the AFTER trigger, which performs its actions after the statement that caused it to fire has completed. This means you can have an INSTEAD OF update trigger on a table that successfully completes but does not include the actual update to the table.

The basic syntax for creating an INSTEAD OF trigger is as ...

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Publisher Resources

ISBN: 9780768696585Purchase book