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Joe said: >> I really have a hard time with edits in a before trigger, in a
maintenance
program, and in a constraint. What if the before trigger thinks the
maintenance program will handle it, and the maintenance program thinks
the
constraint will handle it?
I view it the other way.
I have a somewhat different view yet. Using a constraint at the DB
level means that the optimiser knows more about your database. Your
documentation tooling knows more about your database... Is there a
current, practical upshot? Beats me. At least in the future, the
optimiser might be able to make use of RI. It certainly won't make use
of an HLL trigger. Neither will documentation type tooling.
Not sure that added much to the discussion but I know that when I
personally start saying something like 'one more thing to look at?' I
try to reexamine my motivation for thinking that way. Because
externalising my logic has been most helpful. A bit more complex, but
on the whole, better.
--buck
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