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Advanced Queuing - Oracle

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Selecting the Number of Messages in Different States for Specific Instances<br />

Purpose<br />

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

instances.<br />

Table 10–15 AQ$_R<br />

Column Name & Description Null? Type<br />

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

same as the qid in user_queues and dba_<br />

queues.<br />

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

state '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 seconds<br />

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

to be dequeued.<br />

10-36 <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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