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https://issues.apache.org/jira/browse/DERBY-4587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12850509#action_12850509
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C.S. Nirmal J. Fernando commented on DERBY-4587:
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Regarding Postgres and licensing:
Graphical query explainer was implemented by PgAdmin III which is a tool uses
PostgreSQL at the back end as their server
(http://www.postgresonline.com/journal/index.php?/archives/27-Reading-PgAdmin-Graphical-Explain-Plans.html).
So, I contacted PgAdmin hackers devs-mailing list to check the possibility of
and following is the reply I got !!
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Le 27/03/2010 07:14, Nirmal Fernando a écrit :
> [...]
> Is it possible to integrate pgadmin tool with a different DMS rather than
> Postgres? If it possible it would be great help if someone can send some
> helpful links.
>
Nope it's not possible.
--
Guillaume.
http://www.postgresqlfr.org
http://dalibo.com
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> Add tools for improved analysis and understanding of query plans and
> execution statistics
> -----------------------------------------------------------------------------------------
>
> Key: DERBY-4587
> URL: https://issues.apache.org/jira/browse/DERBY-4587
> Project: Derby
> Issue Type: Improvement
> Components: SQL, Tools
> Reporter: Bryan Pendleton
> Assignee: Bryan Pendleton
> Attachments: PostgreSQL license.jpg
>
>
> I think it would be great to see some work in the area of tools for helping
> with the analysis of complex query execution. Quite frequently, users of
> Derby have trouble comprehending (a) how their query is being translated
> into a query plan by the optimizer, and (b) what the execution-time resource
> usage of the various parts of the query is.
> There are low-level features in Derby which capture this information and
> record it, such as logQueryPlan, and the XPLAIN tables, but there is a lot
> of opportunity for designing higher-level tools which can process the query
> plan and execution statistics information and present it in a more
> comprehensible fashion.
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