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From "Dyre Tjeldvoll (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6340) Add support for CREATE TYPE AS <existing type> (synonym types)
Date Tue, 01 Oct 2013 11:01:26 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dyre Tjeldvoll updated DERBY-6340:
----------------------------------

    Attachment: CreateTypeAs_fs_draft_2.html

Thanks for Rick and Mamta, for your comments. 
Attaching a new rev of the fs.

> Add support for CREATE TYPE AS <existing type> (synonym types)
> --------------------------------------------------------------
>
>                 Key: DERBY-6340
>                 URL: https://issues.apache.org/jira/browse/DERBY-6340
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Dyre Tjeldvoll
>            Assignee: Dyre Tjeldvoll
>         Attachments: CreateTypeAs_fs_draft_2.html, CreateTypeAs_fs_draft.html
>
>
> The SQL standard (2003) chapter 11.41 <user-defined type definition> allows the
creation of synonyms or aliases for an existing type: CREATE TYPE AS <predefined type>.
By allowing this in Derby we would simplify migration from, and interoperation with, other
databases.



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