SQL> SQL> SELECT b.username, b.serial#, d.id1, a.sql_text 2 FROM v$session b, v$lock d, v$sqltext a 3 WHERE b.lockwait = d.kaddr 4 and rownum < 2 5 AND a.address = b.sql_address 6 AND a.hash_value = b.sql_hash_value; no rows selected SQL> SQL>