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https://issues.apache.org/jira/browse/DERBY-2365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12474748
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Daniel John Debrunner commented on DERBY-2365:
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how about:
"because trailing spaces are ignored for character comparisions"
PS. Can long varchar be used in a MAX?
> Example of MAX in Derby Reference Manual is not explained appropriately
> -----------------------------------------------------------------------
>
> Key: DERBY-2365
> URL: https://issues.apache.org/jira/browse/DERBY-2365
> Project: Derby
> Issue Type: Bug
> Components: Documentation
> Environment:
> http://db.apache.org/derby/docs/dev/ref/rrefsqlj27781.html
> Reporter: Tomohito Nakayama
> Priority: Minor
>
> In this part, next sentence of an example exists.
> For example, if the values 'z' and 'z ' are both stored in a column, you
> cannot control which one will be returned as the maximum, because a blank
> space has no value.
> Because blank space is value, I think "because a blank space has no value" is
> not appropriate.
> I think it should be as "because a blank space is an special value".
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