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Oracle® Database Reference
11g Release 1 (11.1)

B28320-03
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JOB_QUEUE_PROCESSES

Property Description
Parameter type Integer
Default value 1000
Modifiable ALTER SYSTEM
Range of values 0 to 1000
Basic Yes
Real Application Clusters Multiple instances can have different values.

JOB_QUEUE_PROCESSES specifies the maximum number of processes that can be created for the execution of jobs. It specifies the number of job queue processes per instance (J000, ... J999). Replication uses job queues for data refreshes. Advanced queuing uses job queues for message propagation. You can create user job requests through the DBMS_JOB package.

Some job queue requests are created automatically. An example is refresh support for materialized views. If you wish to have your materialized views updated automatically, you must set JOB_QUEUE_PROCESSES to a value of one or higher.

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