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Scheduling a query

I want to fire a query on the table on one particular time, say Sunday 12:00 P.M. Does an SQL table trigger execute this kind of stored query?

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You may schedule a procedure to run at any time using the DBMS_JOB supplied package. Simply write a procedure to do what you want and then schedule it to run using the DBMS_JOB.SUBMIT procedure. Besides reading up on the DBMS_JOB package in the Oracle Supplied Packages Reference, there's a great article at:

If, however, you are wanting to simply run a query (just a SELECT statement) to spool out a report to a file, then you can use your operating system's scheduling mechanisms (for instance, cron) to cause it to start a SQL*Plus session and run a script (.sql) that contains your query. A good cron overview can be found at:

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This was first published in October 2002

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