Sounds like you need a way to hash the whole table and compare the hash results. I bet you could write a little procedure to do that. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Ranko Mosic Sent: Wednesday, February 22, 2006 2:40 PM To: _oracle_L_list Subject: Quick and dirty way to compare table contents Hi list, I need to quckly compare tables in 2 schemas to verify contents are identical. Counting blocks/rows, using tools to compare schemas is not possible. Something similar to checksum mechanism is requested. Any ideas ? -- Regards, Ranko Mosic Contract Senior Oracle DBA B. Eng, Oracle 10g, 9i Certified Database Professional Phone: 416-450-2785 email: mosicr@xxxxxxxxxx http://ca.geocities.com/mosicr@xxxxxxxxxx/ContractSeniorOracleDBARankoMo sicMain.html