Limit the number of SQL Server table updates and delete rows

Source: Internet
Author: User

Accidentally update forget to add conditions, simple limit!

Trigger for DML frequent operation of poor performance, pay attention to their actual situation!

Create Trigger Tr_tbltime

On Tbltime

For Update,delete

As

If Original_login (' Wind ', ' snow ')

and (select COUNT (*) from deleted) > 10

BEGIN

RAISERROR (' serious error, please contact the DBA ', 16, 1)

ROLLBACK TRANSACTION

Return

End

Go

See more highlights of this column: http://www.bianceng.cnhttp://www.bianceng.cn/database/SQLServer/

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