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https://issues.apache.org/jira/browse/DERBY-4662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12867660#action_12867660
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Dag H. Wanvik commented on DERBY-4662:
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For queries, Derby currently does not support the LIMIT keyword, preferring the
standard SQL "FETCH n NEXT/FIRST ROWS ONLY".
For updates, I don't believe the standard currently supports a limiting
feature. The feature is basically not relational, but I can see it being
potentially useful.
A workaround would be to use an updatable cursor and select using the FETCH
NEXT clause.
> add LIMIT clause to UPDATE statement
> ------------------------------------
>
> Key: DERBY-4662
> URL: https://issues.apache.org/jira/browse/DERBY-4662
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.5.3.0
> Reporter: Brad Mace
>
> allow syntax such as `update myTable set group=1 where category='test' limit
> 50` which will update the value of `group` for the first 50 records that
> match the where clause
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