COBA Solutions (http://www.cobasolutions.com/en_start) - a Polish software house has released an unique PostgreSQL database comparison tool - pgCompare.
Using an easy wizard GUI you can compare 2 databases in scope of:
Structure - including tables, views, stored procedures (functions) and triggers
Data in tables - using single- and multilevel keys
Please feel free to visit www.cobasolutions.com/en_pgcompare , watch the presentation showing the way it works and apply for a demo version.
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