Hi for all
I have two doubts. Can somebody help me please??
 First doubt: I want know how many pages Postgres use when execute one query for Nest-loop-Join. I have used “explain analyze”, but it don’t give number of pages…
 Second doubt: Normally when some SGBD exec the algorithm Nest-Loop Join, there are differences about the space of memory (buffer)  for  outer table  and  inner  table. So, I want know where (What file?) Postgres define the number for this spaces (buffers) ? And can I change it?
I have asked for others forum, but anybody has asked me. So Please, SOMEBODY HELP ME !!!

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