Good idea. I agree the constraints should certainly be in sync between the
two files and it shouldn't hurt to tighten the constraints up.
I ran a script to compare vcl.sql and update-vcl.sql. The constraint
differences are listed on the following page:
https://cwiki.apache.org/confluence/display
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I noticed there are some differences in the "ON UPDATE" and "ON DELETE" parts
of foreign keys between the vcl.sql and update-vcl.sql files. There tend to
be more keys in update-vcl.sql that have these extra parts of the foreign keys
set when they a