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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4397) Allow ORDER BY in subqueries
Date Mon, 16 Nov 2009 15:27:39 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-4397:
---------------------------------

    Attachment: orderBySpec.html

Attaching rev. 3 of specification (added SQL standard's feature numbers).

> 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: derby-4397-insert-from-exists.diff, derby-4397-insert-from-exists.stat,
orderBySpec.html, orderBySpec.html, 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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