how i can use of trigger?

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SQL-Server

How to protect of integrity of data in sql server by triggers.

please send an example for me.

thanks.

Posted 27-Nov-09 10:16am

moes1362

Updated 27-Nov-09 11:53am

Abhishek Sur

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Abhishek Sur · Answer 1 · 2009-11-27T12:03:00

Sql server Triggers are not generally used to protect integrity of data. It is actually a place to control the operation.

But if you really want to use Triggers for this, you might check the value inside that block before doing the insert.

Implementing Triggers is very simple. Use this tutorial to get started :
http://www.devarticles.com/c/a/SQL-Server/Using-Triggers-In-MS-SQL-Server/1/[^]

:rose:

Christian Graus · Answer 2 · 2009-11-27T10:18:00

The best way to protect your data is with constraints, but if you mean, for example, making sure a string is a given format, a trigger can fire when you insert data, and can check it and accept or reject the insert. You can have triggers for updates and deletes, too. Any example I write will not be as in depth as the many you can find with google, in articles that were written with more care than any forum reply.

how i can use of trigger?

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