SchemaSpy

SchemaSpy can examine a whole database and visualize entity relations. Very nice work.
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Do you hate starting on a new project and having to try to figure out someone else's idea of a database? Or are you in QA and the developers expect you to understand all the relationships in their schema? If so then this tool's for you..
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Also this week i focus on Struts2 , i started with maven2 archetype and got a working eclipse project in seconds...

I like the way struts2 is open to third party innovation via its plugin architecture