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Advanced Queuing - Oracle

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Selecting All Queues in Database<br />

Name of View<br />

DBA_QUEUES<br />

Purpose<br />

Users can specify operational characteristics for individual queues. DBA_QUEUES<br />

contains the view which contains relevant information for every queue in a<br />

database.<br />

Table 10–4 DBA_QUEUES<br />

Column Name & Description Null? Type<br />

OWNER—queue schema name NOT NULL VARCHAR2(30)<br />

NAME—queue name NOT NULL VARCHAR2(30)<br />

QUEUE_TABLE—queue table where this queue resides NOT NULL VARCHAR2(30)<br />

QID—unique queue identifier NOT NULL NUMBER<br />

QUEUE_TYPE—queue type - VARCHAR2(15)<br />

MAX_RETRIES—number of dequeue attempts allowed - NUMBER<br />

RETRY_DELAY—number of seconds before retry can be<br />

attempted<br />

- NUMBER<br />

ENQUEUE_ENABLED—YES/NO - VARCHAR2(7)<br />

DEQUEUE_ENABLED—YES/NO - VARCHAR2(7)<br />

RETENTION—number of seconds message is retained<br />

after dequeue<br />

- VARCHAR2(40)<br />

USER_COMMENT—user comment for the queue - VARCHAR2(50)<br />

10-8 <strong>Oracle</strong>9i Application Developer’s Guide - <strong>Advanced</strong> <strong>Queuing</strong>

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