Build SQL Server CLR Triggers
In this article we look at how to create SQL Server triggers using Common Runtime Language (CLR) along with examples and a step-by-step guide.
2022-02-21
Triggers
SQL Server triggers: The good and the scary
SQL Server triggers are another tool in your DBA or Dev toolbox. Edward Pollack explains what can go wrong with triggers and how to correct those issues.
2021-02-18
Generic trigger for maintaining the Audit Log
This trigger will work even if you don't have the primary key on any table. Mechanism to configure the primary key in config table has been provided. This can be very helpful to solve the system audit requirements without much efforts.
Disclaimer : Audit Log trigger has performance overhead. It’s meant for table which is not frequently updated, deleted or inserted. Please take precaution when creating the trigger on the table having too many columns.
2019-10-15 (first published: 2019-10-10)
3,094 reads
SQL and T-SQL for Beginners in 229 minutes
The the basics of SQL and T-SQL in this short course of videos that explain some of the concepts.
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Question of the Day
Fixing the Error
On SQL Server 2025, I have a database that has this collation: SQL_Latin1_General_CP1_CI_AS. I decide I want to run this code:
SELECT UNISTR('*3041*308A*304C*3068 and good night', '*') AS 'A Classic';
I get this error:Msg 9844, Level 16, State 4, Line 24 The char/varchar input type uses an unsupported collation. Only a UTF8 collation is supported with char/varchar input type in UNISTR function.What is the easiest way to fix this error? See possible answers