This returns an Attribute 'acquisition' not found error SELECT trx_date, store_id || rgstr_id || trx_num AS invoice, substring(po_num from 1 for (position('/' in po_num) - 1)) AS po, substring(po_num from (position('/' in po_num) + 1) for (char_length(po_num) - position('/' in po_num))) AS acquisition FROM SS_AHST WHERE cus_id = '410BGEHD47' AND acquisition LIKE '%A1158%' ORDER BY trx_date DESC does anyone know what I'm doing wrong Thanks Tad ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html