kelvan wrote: I wonder where did all the punctuation symbols on your keyboard went. Your email is amazingly hard to read. > overhead information i would to know is row overheads column overheads and > header overheads for blocks and anything else i have missed As for storage overhead, see here: http://www.postgresql.org/docs/8.3/static/storage-page-layout.html -- Alvaro Herrera http://www.amazon.com/gp/registry/DXLWNGRJD34J "Siempre hay que alimentar a los dioses, aunque la tierra esté seca" (Orual) ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings