This is all true. But I am still cautious about telling
people to use an RDBM when they either don't have the
background to understand one (and I don't have energy
to teach that), or they might understand both and have a
good reason for using a dbm.
As for writing your own storage method, I would strongly
discourage people from doing that unless they already know,
for instance, the internals of how a dbm works. And if
someone comes back and asks me for that, my response will
be that if they have to ask, the odds are that I can't
teach them enough about the subject to do any better than
they can do just by using the already existing wheel. And
this is definitely true if they think they can build
their wheel in Perl.
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