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Will an INSERT/UPDATE trigger have an effect on SELECT performance
Posted by: Anders Pedersen
Date: January 15, 2014 03:32PM

The title pretty much says it all. But here are the details:

I have a table (table_1) with ~50.000 rows and I want to create an audit table (table_2) that automatically gets updated by triggers when rows are inserted or updated on table_1.

Rows are rarely inserted or updated in Table_1, however the table is constantly being hammered by select statements.

Since this table already is one of the buttlenecks in the system I do not want to hurt the response performance any further.

Will the select performance on table_1 be hurt by creating insert/update triggers to monitor it ... and if so, how much ... approximately?

Thanks for any help y'all may be able to offer.

_A_

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