DotNetKicks.com - Stories tagged with trigger

Super easy SQL Server 2005 Database Schema change auditing

Sun, 07 Oct 2007 08:46:02 GMT

Here's a very simple way to make use of xml type in SQL Server 2005: audit all the object/schema changes to the database with a simple database-level trigger. It's like a poor man's source control for schema changes. But also, it could come in very handy for forensic purposes when diagnosing post-rollout issues or accidental schema changes. Anyway, it's simple and handy for what it does.

SQL Server: How to audit rollback-ed data in a trigger?

Fri, 13 Apr 2007 08:06:37 GMT

The most popular method of auditing data is with an AFTER DELETE, INSERT, UPDATE trigger. But what happens if you have a Rollback statement in your trigger if some condition is met? <br><br> More ><a href="http://weblogs.sqlteam.com/mladenp/archive/2007/04/13/60174.aspx">here</a>

Using a trigger to perform mass-update-safe, specific-field calculatio

Sat, 30 Dec 2006 07:13:47 GMT

You've got a table which contains some information and you want to perform calculations based on this information and store them in the same table or in another table. The calculations must always be up-to-date. The calculations are performed via a complex User Defined Function which accepts the other fields' values as parameters. The table has got thousands of rows and thus you do not want to use a view because it'll degrade the overall performance. For the same reason, you do not want to use a calculated field.

Entity Life-Cycle in NHibernate Based Application

Tue, 15 Aug 2006 11:01:01 GMT

What it takes to implement good entity life-cycle in web NHibernate-based application