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Does trigger improve performance?
In many situations, triggers can improve performance slightly because of the reduction in the number of messages passed from the client to the database server. Triggers improve performance the most when they execute more SQL statements and the network speed is comparatively slow. …
Is it unhealthy to avoid triggers?
When to Avoid Triggers Life is going to throw triggers at you regardless of if you try to avoid them or not, so you shouldn’t make it more difficult on yourself. Minimize your triggers by avoiding certain situations and behaviors such as not going to the bar or houses of friends who you used to use with.
What are the performance problems with After triggers?
One of the performance problems with AFTER triggers is that if you want to prevent the action from happening based on some business rule, an AFTER trigger is exactly that – in order to “prevent” the action, you actually have to let it happen, then “undo” it by rolling it back.
Can you use change data capture instead of triggers?
You can try using the SQL Server Change Data Capture feature instead of using triggers. In Change Data Capture, the information is retrieved by periodic querying of the online transaction log. The process is asynchronous. Database performance is not affected; performance overhead is lower than with other solutions (e.g. using triggers)
When do you use triggers in SQL Server?
The following discussion is based on SQL Server only. Using triggers is quite valid when their use is justified. For example, they have good value in auditing (keeping history of data) without requiring explicit procedural code with every CRUD command on every table.
When to use triggers and when not to use them?
May be the some of the reasons for this are: Some functions that triggers used to do in the old days could now be performed in other ways such as updating totals and automatic calculation on a column. You don’t see where the trigger is invoked by examining code alone without knowing they exist.