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Date: Mon, 26 Mar 2007 09:53:32 -0700 (PDT)
From: "Felix Beyer (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Updated: (DERBY-2487) Enhance Derby with EXPLAIN
 Functionality
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     [ https://issues.apache.org/jira/browse/DERBY-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Beyer updated DERBY-2487:
-------------------------------

    Attachment: usage.txt

This file documents the new system procedures and their parameters. 
An example will demonstrate the usage of the functions and the new explain functionality.


> Enhance Derby with EXPLAIN Functionality
> ----------------------------------------
>
>                 Key: DERBY-2487
>                 URL: https://issues.apache.org/jira/browse/DERBY-2487
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 10.2.2.0
>            Reporter: Felix Beyer
>            Priority: Minor
>         Attachments: Derby physical XPLAIN schema.png, RSProtocolNew.pdf, rts.xls, small logical xplain schema.pdf, usage.txt, xplainClasses.pdf
>
>
> This enhancement extends Derby with EXPLAIN functions. Users want to have more feedback than they`re getting with the current RuntimeStatistics facility. This extension is based on the RuntimeStatistics/ResultSetStatistics functions / classes. 

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