[GENERAL] Where's that doc on plans ?

[Jean-Christophe Boggio]

A few days ago I read a very interesting doc about postgres' query
planner, how to read an EXPLAIN plan, how is a cost calculated, etc.
but I can't find it anymore.

Anyone has an idea ? Thanks in advance.

--
Jean-Christophe Boggio
[EMAIL PROTECTED]
Independant Consultant and Developer
Delphi, Linux, Perl, PostgreSQL



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