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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4397) Allow ORDER BY in subqueries
Date Wed, 07 Oct 2009 16:26:31 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763111#action_12763111
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Rick Hillegas commented on DERBY-4397:
--------------------------------------

Thanks for the great spec, Dag. Other than some very minor typos, I have only one comment,
related to Knut's observation above under (2):

It would be good to know, either way, whether this work will affect DERBY-4. If this does
enable INSERT ... SELECT ... ORDER BY, then it would be good to mention this somewhere in
the user guides.

Thanks,
-Rick

> Allow ORDER BY in subqueries
> ----------------------------
>
>                 Key: DERBY-4397
>                 URL: https://issues.apache.org/jira/browse/DERBY-4397
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Dag H. Wanvik
>         Attachments: orderBySpec.html
>
>
> SQL 2008 allows ORDER BY to be specified in subqueries. In conjunction with OFFSET/FETCH
and/or ROW_NUMBER
> meaningful subqueries with row ordering may be formulated. Cf. MySQL's LIMIT may be used
in subqueries as well.
> Note that OFFSET/FETCH is currently not allowed in subqueries, either.

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