Need details on the tablespace and storage used by the queue oracel

Hi all

I'm working on the lines of the Oracle. I need some details about the storage space of the queues.

1. is it mandatory that we have space separate for the queue table? What will happen if we run out of table space? Lose us data?
2. how much storage space is required for a queue of the oracle?

Please suggest me on this.

Hello

946965 wrote:
1. is it mandatory that we have space separate for the queue table? What will happen if we run out of table space? Lose us data?

No - it is not necessary to separate queue objects, you can do however purely for the simplicity of space management, but is certainly not a requirement. Space missing in a storage space for a queue is not different to press space to a normal process - Oracle will trigger an error ("ORA-xxxxx cannot extend... ") and the process trying to NQ to the queue will fail or do what it has been coded so that error." So, if your code NQ did something stupid mistake so I guess it's possible loss of data in case of error (not only exhausted space) but in general I'm expecting the process to report the error and stop.

946965 wrote:
2. how much storage space is required for a queue of the oracle?

It is depends entirely on how you plan to use the queues, queues are not generally intended for long-term data storage, they do not perform well for this - they work better with the message in. message on (enqueue | dequeue) so unless you intend to leave messages in the queue for long periods of time I expect no significant space consumption. But only you guys can really work it to according to the type of user data and how long messages remain in the queue.

There are some useful notes on My Oracle Support on the management of the space occupied by the queues which is very important for performance, for example
How can I reduce the high watermark (HWM) of advanced queue objects? (Doc ID 421474.1)

Hope this helps,

Paul

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