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Advanced Queuing - Oracle

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Selecting the Number of Messages in Different States for the Whole Database<br />

Purpose<br />

Provides information about the number of messages in different states for the whole<br />

database.<br />

Table 10–14 AQ$_R<br />

Column Name & Description Null? Type<br />

QID—the identity of the queue. This is the same<br />

as the qid in user_queues and dba_<br />

queues.<br />

WAITING—the number of messages in the state<br />

'WAITING'.<br />

READY—the number of messages in state<br />

'READY'.<br />

EXPIRED—the number of messages in state<br />

'EXPIRED'.<br />

TOTAL_WAIT—the number of seconds for<br />

which messages in the queue have been waiting<br />

in state 'READY'<br />

AVERAGE_WAIT—the average number of<br />

seconds a message in state 'READY' has been<br />

waiting to be dequeued.<br />

10-34 <strong>Oracle</strong>9i Application Developer’s Guide - <strong>Advanced</strong> <strong>Queuing</strong><br />

- NUMBER<br />

- NUMBER<br />

- NUMBER<br />

- NUMBER<br />

- NUMBER<br />

- NUMBER

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