[jacabado]

This adresses a pain that I suffer:

An app to easily compare SQL execution plans.

I believe the better way would be graphical. I have needed this on MS SQL Server, SQL Sentry Plan Explorer has helped but lacks this comparison. Today I do it by diffin execution plans on XML format.

On my wildest dreams I would have a REPL accepting a DSL that would allow me to query the different DMV's (those are SQL Server data management views which give you insight on the inner state of SQL Server, Red Gate has a nice site on them http://sqlmonitormetrics.red-gate.com).

If it already exist is some form or platform please share.