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https://issues.apache.org/jira/browse/DERBY-2207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12527522
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Rick Hillegas commented on DERBY-2207:
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Thanks for rev 2 of the spec, Dag. This is very clear now! I have a couple 
small remarks:

5.4 (Granting a privilege to a role) I became a little muddled reading this 
section. I think it would be easier to understand if the next to last paragraph 
read "grant privileges on that object to a role"

5.8 (Revoking privileges from a role) I became a little muddled by the 
reference to PUBLIC. Is PUBLIC semantically a) the union of all users, b) the 
root of the role graph, or c) both? I suspect it is (a). I think this section 
would be easier to read if it were phrased in terms of the privileges enjoyed 
by the session.

6.2 (Catalog changes) +1 to the ISDEF field!



> Improve usability of Derby's client/server security by implementing ANSI Roles
> ------------------------------------------------------------------------------
>
>                 Key: DERBY-2207
>                 URL: https://issues.apache.org/jira/browse/DERBY-2207
>             Project: Derby
>          Issue Type: New Feature
>          Components: Security, SQL
>            Reporter: Rick Hillegas
>            Assignee: Dag H. Wanvik
>         Attachments: spec.html, spec.html
>
>
> Implementing ANSI Roles will make it easier to manage security for multi-user 
> applications with high user turnover.

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