Yey !!! thanks Mark ... that was it, now I use gv$session.prev_hash_value for the blocker session and I get what I want .... SQL> / ** Active Locks in "RELNCS" ordered by RESOURCE ** INST RESOURCE SID S DB/OS User HOLDING WANTING LCKTIM HASH VALUE -------- -------------------- ----- - -------------------- ------- ------- ------ --------------- RELNCS1 TX-196612-235740 38 I TCS/ORACLEI X =20 9 0 RELNCS2 TX-196612-235740 35 A TCS/ORACLEI =20 X 6 1308698167 Resource BLOCKER "TCS/oraclei" is logged on "RELNCS1" and holding the lock for last "9" seconds." Partial SQL statement (hash value: 0) executed by the BLOCKER is as follows= ... <BLOCKER> update /* test */ raj_test set a =3D :"SYS_B_0" Resource WAITER "TCS/oraclei" is logged on "RELNCS2" and waiting for the lock for last "6" seconds." Partial SQL statement (hash value: 1308698167) executed by the WAITER is as follows ... <WAITER> update raj_test set a =3D :"SYS_B_0" Database lock Info, ESPN Oracle Utilities, =A9 ESPN 2004 Elapsed: 00:00:00.32=20 Thanks a bunch !! Raj -- //www.freelists.org/webpage/oracle-l