Needs Suggestion

[SUBHAM ROY <subham.iem@xxxxxxxxx>]

By doing \timing in psql, we enable the timing and then when we type the query we are able to see its execution time. 
Similarly, is there any way to view the number I/Os and memory usage by a particular query.

And also the timing result that gets displayed, in which log file does it get recorded?

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Thank You,
Subham Roy,
CSE IIT Bombay.