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https://issues.apache.org/jira/browse/DERBY-4259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13562779#comment-13562779
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Rick Hillegas commented on DERBY-4259:
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Thanks, Kim. Looks great except for the trailing "Shows the release of Derby
for the database." at the end of the first paragraph in
rrefproperdatadictversion. Thanks.
> Document database property for determining database format version
> ------------------------------------------------------------------
>
> Key: DERBY-4259
> URL: https://issues.apache.org/jira/browse/DERBY-4259
> Project: Derby
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 10.6.1.0
> Reporter: Kathey Marsden
> Assignee: Kim Haase
> Priority: Minor
> Attachments: DERBY-4259-2.diff, DERBY-4259-2.zip, DERBY-4259.diff,
> DERBY-4259.stat, DERBY-4259.zip
>
>
> It would be useful to have a public interface for determining the database
> format when running in soft upgrade mode. In the derby-user thread:
> http://www.nabble.com/Hard-upgrade-failing--td23826558.html#a23835534
> Evan pointed out he was using an undocumented property
> 'DataDictionaryVersion' for this purpose, but this is not ideal because it
> does not conform to the normal derby.* naming convention and is not
> documented.
> Discussion in DERBY-4255 determined that there are not currently
> DatabaseMetaData methods that achieve the same result.
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