On Mon, Apr 2, 2012 at 12:30 PM, Efraín Déctor <efraindector@xxxxxxxxxxxx> wrote: > Hello. What is the difference between Sequential Scans and Sequential > Tuples Read?. A sequential scan is what happens when the table is read sequentially. One sequential scan can result in MANY tuples being read sequentially. I.e. a table with 1M rows being sequentially scanned from end to end will result in 1M sequential tuples being read. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general