Jayadevan M wrote: > If a table takes 100 MB while on disk, approximately how much space will it take in RAM/database > buffer? 100 MB. A block in memory has the same layout as a block on disk. Yours, Laurenz Albe -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance