Duplicate Vendor List

--Duplicate Vendor List select pv1.vendor_name, pv2.vendor_name DUP_VENDOR_NAME, pv1.segment1 VENDOR_ID, pv2.segment1 DUP_VENDOR_ID, pvsa1.vendor_site_code SITE_CODE, pvsa2.vendor_site_code SITE_CODE, pvsa1.address_line1, pvsa2.address_line1 DUP_ADDRESS_LINE1, pvsa1.zip from po_vendors pv1, po_vendors pv2, po_vendor_sites_all pvsa1, po_vendor_sites_all pvsa2 where pvsa1.vendor_site_id <> pvsa2.vendor_site_id and substr(replace(pvsa1.address_line1, ' '),1,20) = substr(replace(pvsa2.address_line1, ' '),1,20) and pvsa1.zip = pvsa2.zip and...