Re: Schema comparison tool

From: David Ballester <>
Date: Fri, 7 Nov 2008 17:35:47 +0100
Message-ID: <>

2008/11/7 Mary Elizabeth McNeely <>

> Good afternoon, all,
> I seek your opinions/experiences about tools that can compare two Oracle
> schemas (or the same schema on two databases) and make a report of the
> differences. Ideally, it would also create the SQL needed to resolve those
> differences: create indexes (or indices, if you will), add columns, recreate
> views, etc.
> I know TOAD has such a tool, but it's proven ineffective for us, as it
> generates many false positives, especially when one schema is an imported
> copy of the other - that makes for subtle capitalization/double
> quote differences in stored SQL, plus other troubles. Physical clones don't
> have these differences, but we mainly want to compare imported schemas for
> divergence from their parent schemas.
> Thanks in advance for whatever advice you have to offer.
> Kind regards,
> Mary Elizabeth McNeely
> Purveyor of Trouble
> --

ad nauseam :)

I usually use this script, had made some changes but I must talk with the developer to get grant to made it public ( if I can, under GPL )



Received on Fri Nov 07 2008 - 10:35:47 CST

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