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Your last paragraph is a huge thing. Granted, I'm not a big fan of each
program having their own logical as the access path overhead could get
huge but each logical that is created should explicitly select the columns
listed, even if it is all columns that are currently in the table.
Infor does this with their logical files and that makes adding columns to
the base tables easier. Not that everything they do is to be used as the
guiding example as they use no constraints of any kind and a bunch of
other stuff.
Infor did follow the SQL guide and when they used SQL instead of RLA they
do access the base tables. This wouldn't have been a bad thing but they
royally screwed up by doing a 'select * into :fileds' kind of logic. Never
do a select *. Now when you add new columns to the base table you have to
recompile all programs that do this.
And when you start thinking about adding columns with special
characteristics like 'implictly hidden' and what not, argh...
Rob Berendt
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