How to update database automatically

I want to refresh a database (delete some record) every 10 minutes. Can I implement it with trigger? If so, how to do it?

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JamesCaoAuthor Commented:
Sorry, I just want to refresh a table instead of a database.
If you're using a DBRS which allows you to schedule tasks, you should be able to do that
With SQL Server for example you can execute Transact-SQL in a task that would be executed every ten minutes

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Triggers implement something based on a triggering event e.g. an insert/delete.  You probably want to write something as a function / procedure and implement it using the DBMS_JOB package which enables you to schedule it to run every 10 minutes.
Of course my previous answer depends on the RDBMS - I was writing it as an oracle guy, so sorry if not applicable.
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