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  Oracle Replication Tips by Burleson

Oracle Materialized View refresh dba_jobs dbms_job

If the refresh interval is every two minutes, the job will reattempt to execute one minute after the first failure and will reattempt to execute every two minutes after that until it reaches 16 failures.  When a job reaches 16 failures, it marks itself as broken (as seen in the BROKEN column of dba_jobs) and makes no further attempt to execute.  Once a job successfully executes, it resets its number of failures to zero. 

If a job becomes broken, you must first fix whatever the problem is, and then use the dbms_job.broken procedure to reset the job to active status. You can tell if a replication job is operating by looking at the dba_jobs_running view. This view provides a list of all currently executing jobs. 

You can manually refresh an Materialized View via the dbms_refresh.refresh procedure. Here is an example of refreshing our employee’s Materialized View:


This is an excerpt from Oracle Replication By Rampant TechPress (only $19.95).  You can click here to order a copy and get instant access to the code depot:

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