8.32 V$AQ_REMOTE_DEQUEUE_AFFINITY

V$AQ_REMOTE_DEQUEUE_AFFINITY lists the dequeue affinity instance of the subscribers not dequeuing locally from the shard's owner instance. Cross instance message forwarding is used for these subscribers.

Note:

AQ sharded queues are deprecated in Oracle Database 21c. Oracle recommends that you instead use Transactional Event Queues (TEQs) for higher throughput and better performance.
Column Datatype Description

QUEUE_ID

NUMBER

Queue ID

SHARD_ID

NUMBER

Shard ID which is being forwarded from SOURCE_INSTANCE to INST_ID for the subscriber

SOURCE_INSTANCE_ID

NUMBER

Owner instance ID from where the shard is being forwarded

SUBSCRIBER_ID

NUMBER

Subscriber ID

QUEUE_SCHEMA

VARCHAR2(128)

Queue schema name

QUEUE_NAME

VARCHAR2(128)

Queue name

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