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https://issues.apache.org/jira/browse/DERBY-2431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480430
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Kim Haase commented on DERBY-2431:
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I'm not the authority on this, but I think I can answer these:

getBestRowIdentifier is a method.

> 1. Is "this last choice" referring to the the getBestRowIdentifier section 
> and the last bullet (that "all the 
> columns in the table" is the last in the order.

Yes, you guessed right.

> 2. Is it, as in "it will always" referring to Derby or the 
> getBestRowIdentifier. Ambiguous "it"

"It" refers to getBestRowIdentifier. So you could rephrase the beginning of the 
paragraph as follows to remove the ambiguity:

"Because getBestRowIdentifier searches all the columns in the table, it will 
always ..."

> Documentation for DatabaseMetaData should reflect that getColumnPrivileges 
> and getTablePrivileges are implemented
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2431
>                 URL: https://issues.apache.org/jira/browse/DERBY-2431
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 10.2.2.0, 10.3.0.0
>            Reporter: Andrew McIntyre
>         Assigned To: Laura Stewart
>
> SQL Grant / Revoke functionality was added in the 10.2 release, but the 
> documentation for Derby's java.sql.DatabaseMetaData states that the methods 
> getColumnPrivileges and getTablePrivileges are not supported. Implementations 
> for these DatabaseMetaData methods were added as part of Grant / Revoke 
> support, and the documentation for Derby's DatabaseMetaData implementation 
> should be updated to reflect that.

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