>>BTW, I was thinking about trying to implement Walter's Meester (?) Tax RI Builder. It claims to create a more compact code and we currently have lots of SP.
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>About 1/10 of the size of the code generated by the built-in RI-builder; related to that: code is also more readable (which might come in handy for debugging), and some additional options. For instance, you can temporarily disable RI with a variable.

Did you test it? I believe, I tried it long time ago and liked, but then I didn't have a chance to look at it more. We have 107 tables in the database currently, so this may be very handy.