ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
SELECTt2.username,t2.sid,t2.serial#,t2.logon_timeFROMv$locked_objectt1,v$sessiont2WHEREt1.session_id=t2.sidORDERBYt2.logon_time;SELECTsql_textFROMv$sessiona,v$sqltext_with_newlinesbWHEREDECODE(a.sql_h