Re: Basics on Advanced Queuing
- From: Niall Litchfield <niall.litchfield@xxxxxxxxx>
- To: Herald.ten.Dam@xxxxxxxxxxxxxxx
- Date: Thu, 21 Jan 2010 09:50:11 +0000
I entirely agree,
The documentation has the advantage that
1) It is designed to introduce people to the feature
2) It is written by the vendor
3) It is much more carefully checked than web sources.
It should definitely be your start point. I'd expect MOS to have an article
or two aimed at introducing AQ as well.
Once you read through all that then is the time to Google. You might also
peruse Julian Dyke's presentation on how AQ hangs together at
http://www.juliandyke.com/Presentations/AdvancedQueuingInternals.ppt this
isn't beginner material particularly though.
Niall
On Thu, Jan 21, 2010 at 6:34 AM, Herald ten Dam <
Herald.ten.Dam@xxxxxxxxxxxxxxx> wrote:
> Hi,
>
> I think you should start reading first the Oracle Manual for Advanced
> Queuing. It describes the basics but also the advanced stuff. Have a look at
> http://download.oracle.com/docs/cd/E11882_01/server.112/e11013/toc.htm (This
> the 11.2 version).
>
> Herald ten Dam
> superconsult.nl
> ------------------------------
> *Van:* oracle-l-bounce@xxxxxxxxxxxxx [oracle-l-bounce@xxxxxxxxxxxxx]
> namens Mahadevan, Sundar [Sundar.Mahadevan@xxxxxxx]
> *Verzonden:* woensdag 20 januari 2010 23:17
> *Aan:* oracle-l@xxxxxxxxxxxxx
> *Onderwerp:* Basics on Advanced Queuing
>
> Hi List,
>
> Hope all is well. I am just starting to learn about Advanced Queuing. The
> following were the documents that I read to get a hint on Advanced Queuing.
>
>
>
> Oracle 11g Advanced queuing white paper
>
> http://en.wikipedia.org/wiki/Message_queue
>
>
> http://it.toolbox.com/blogs/oracle-guide/advanced-queues-and-streams-a-definition-in-plain-english-3677
>
> http://www.oracle-developer.net/display.php?id=411
>
>
>
> I searched more on google for basics on AQ but not much help.
> Unfortunately, I was unable to get the basic understanding of advanced
> queuing due to the fact that I cannot imagine how Message queues work
> (business logic). To my understanding, streams are used for replication
> while advanced queuing is used for Message queues. And btw, streams
> internally use AQ. The following are my question pertaining to Advanced
> Queuing(message queues):
>
>
>
> 1) Is AQ happening between 2 databases or within a single database but 2
> different schemas?
>
> 2) Is it imperative that dblinks are created for AQ to work or you do not
> need dblinks for AQ to work(if AQ happens between 2 databases)
>
> 3) If AQ happens within a single database but 2 different schemas then a
> grant all on the other user's objects can be used for message queues. So
> what is the idea here?
>
>
>
> Apologies if my questions are silly. I would appreciate if anyone could
> reply back with the basics of AQ in simple terms and the business logic
> behind it.
>
>
>
> Thanks a ton.
>
>
>
--
Niall Litchfield
Oracle DBA
http://www.orawin.info
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