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 (TxEventQs) 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