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https://issues.apache.org/jira/browse/DERBY-4115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263284#comment-13263284
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Bryan Pendleton commented on DERBY-4115:
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Is this syntax just an example? Or is this the intended syntax? I'm trying to
figure out what the word "ALL" means in "ALL DROP STATISTICS", and whether it
should be "DROP ALL STATISTICS" instead.
> Provide a way to drop statistics information
> --------------------------------------------
>
> Key: DERBY-4115
> URL: https://issues.apache.org/jira/browse/DERBY-4115
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.6.1.0
> Reporter: Kathey Marsden
> Assignee: Mamta A. Satoor
> Attachments: DERBY4115_patch1_diff.txt, DERBY4115_patch2_diff.txt,
> DERBY4115_patch3_diff.txt, DERBY4115_patch4_diff.txt
>
>
> Now that DERBY-269 has been resolved, users can update statistics, but once
> they do, they are committed to using and maintaining the statistics, even if
> it doesn't improve performance or they have difficulty maintaining the
> statistics on a regular basis. It would be good to have a way to drop
> statistics information so that users could revert to the prior behavior if
> needed.
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