Furthermore store the results of calculations in variables if you need them
more often.
Is this advice true? If I need the same 'select' ten (or ten thousand) times in
a program,
isn't it just simpler to write that select and let the implementation memoize
it?
Its value will not change since the data is the same. Why should I manually
'cache' values if the data model allows to do it consistently and automatically?
David Tolpin
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