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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4842) Support "IF [NOT] EXISTS" in CREATE TABLE and "IF EXISTS" in DROP TABLE
Date Wed, 13 Oct 2010 13:15:06 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920533#action_12920533
] 

Knut Anders Hatlen commented on DERBY-4842:
-------------------------------------------

PostgreSQL supports this syntax for DROP TABLE: http://www.postgresql.org/docs/9.0/static/sql-droptable.html
I couldn't find any mentioning of support for CREATE TABLE [IF NOT EXISTS], though.

> Support "IF [NOT] EXISTS" in CREATE TABLE and "IF  EXISTS" in DROP TABLE 
> -------------------------------------------------------------------------
>
>                 Key: DERBY-4842
>                 URL: https://issues.apache.org/jira/browse/DERBY-4842
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Adrian Tarau
>
> It would be really great if Derby will support these additions similar with what MySQL
has.
> Also a way to disable constraints when dropping the whole database, so you would not
be forced to put DROPs in such an order that constraints will not fail. 

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