Check out DB Solo ...
http://www.dbsolo.com/
Does both DDL compare as well as data compare.
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From: pgsql-sql-owner@postgresql.org [pgsql-sql-owner@postgresql.org] On Behalf Of manuel antonio ochoa
[manuel8aalfaro@gmail.com]
Sent: Wednesday, February 23, 2011 6:03 PM
To: pgsql-sql@postgresql.org
Subject: [SQL] Compare two Data bases Structure
How Can I do to compare two structures of data bases ?
DBA != DBB I need wich functions and wich tables are not equals
thnks