From: Fabian Marin <fmg134s@...>
Date: 2010-07-30T05:11:22+09:00
Subject: Re: tool to compare DB schema against DDL file

Robert Klemme wrote:

> But what are you looking for?  The subject says you want to compare a
> schema and a DDL file now it seems you need to compare a schema and an
> AR model.  These are two quite different sets of requirements.
> 
> Cheers
> 
>   robert

I ultimately need to compare a DB (extracting data to a DB custom tool 
or from the system catalogs) and a DDL file.  However it might be easier 
if one or both of those forms are translated to an intermediate, more 
easily comparable form such as ... an AR model!  The idea is basically 
to find an intermediate form that allows easy comparison of the two: a 
DB's current schema, and a DDL file.  Translating information to this 
intermediate form would also allow maximum flexibility (e.g. how about 
comparing two DDL files, two databases, a ruby schema and a DDL file).
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