> I am using C. Lucky you. I use Python. ;) > Yes i mean to allocate memory of each tuple resulting from a query. > Is there any function which gives the size of a tuple? > If so...Please tell me/Tell me how to proceed to do that? >From the manual: http://www.postgresql.org/docs/8.0/interactive/libpq-exec.html#LIBPQ-EXEC-SELECT-INFO will give you everything you need. John ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend