PostGres Doubt

Hi ,

I am extremely new to PostGreSql. If any one can please answer
this question of mine. I want to insert/update records into the
postgres database through C or perl code. The only condition is
that it should be efficient. Can anybody tell me the difference
between ecpg and libpq and which one should I work on for
solving
my problem.

Thanks in advance.
Vikas.

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