Re: candidate keys in abstract parent relations

Observation:

Nobody here proposed looking at Industry Standards. Why do we like to
re-invent the wheel? I know that Tony hates to research, follow
Standards and all that other stuff that get in the way of a "agile/
extreme/ cowboy coder" image -- and job security :). But why did Roy
miss the entire music industry? This is the guy who knows about
additive congruential methods of generating values in pseudo-random
order!

I offer that we are still thinking like "procedural coders" and NOT
like "database people" instead. We re-invent the wheel because it is
fun. It is also faster than research -- Hey, why look for a relational
key with all its validation and verification rules, documentation,
updating, etc. when you can use IDENTITY mindlessly and effortlessly
to mimick a pointer-based DBMS or "roll your own" encodings !

I did a 30 minute consulting job two Christmasses for a mail order BBQ
company. The problem involved packing boxes. Everyone else who posted
to the question was trying to write a "3D Tetris" program. I realized
that they had over 4 years of shipping data with Fed Ex. Do a
relational division on the shipments. Find the minimal box size/dry
ice combo used for each shipment. Put that experience in a look-up
table with about 8000 rows. Hnadle the 0.2% stuff not in the table as
an exception. Go home in 30 minutes or less. Oh, the query runs
10,000 times faster than the "Tetris" proposals.

Comments?

.

Relevant Pages

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