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RE: SELECT Output Default Ordering ?

From: Sarnowski, Chris <csarnows_at_CuraGen.com>
Date: Wed, 25 Jun 2003 10:20:55 -0700
Message-ID: <F001.005B935A.20030625073007@fatcity.com>

The official answer is, however the database feels like doing it at the time.

In practice, it depends on the access method. If an index is used the output may be sorted by that index. Otherwise it might be by rowid. There are no guarantees and no defaults. Relational data has no default order.

> -----Original Message-----
> From: VIVEK_SHARMA [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, June 25, 2003 9:33 AM
> To: Multiple recipients of list ORACLE-L
> Subject: SELECT Output Default Ordering ?
>
>
>
> When NOT Giving any Order by Clause , How is the Output of
> the SELECT Clause ordered by Default ?
> Assuming There exists a Unique index on the Table
>
> Is some Rule followed ?
>
> NOTE Records may have been INSERTED into the Table in some
> manner differing
> from the Order of the data of the Unique index Key fields.
>
> Thanks
>

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Author: Sarnowski, Chris
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Received on Wed Jun 25 2003 - 12:20:55 CDT

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