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Oracle® Database Reference
12c Release 1 (12.1)

E17615-24
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V$AQ

V$AQ displays statistics for the queues in the database.

Column Datatype Description
QID NUMBER Unique queue identifier
WAITING NUMBER Number of messages in the queue in the state 'WAITING'
READY NUMBER Number of messages in the queue in the state 'READY'
EXPIRED NUMBER Number of messages in the queue the state 'EXPIRED'
AVERAGE_MSG_AGE NUMBER Average age of the messages in the queue'
TOTAL_WAIT NUMBER Total wait time of all 'READY' messages in the queue
AVERAGE_WAIT NUMBER Average wait time of 'READY' messages in the queue
CON_ID NUMBER The ID of the container to which the data pertains. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data


See Also:

Oracle Database Advanced Queuing User's Guide for more information about Oracle Database Advanced Queueing