kill session
see what session is locked
SELECT L.SESSION_ID,O.OWNER,O.OBJECT_NAME FROM V$LOCKED_OBJECT L, DBA_OBJECTS O WHERE L.OBJECT_ID = O.OBJECT_ID;
see what the sid and the serial# is, so that you could kill them
SELECT T2.USERNAME,T2.SID, t2.serial#,T2.LOGON_TIME FROM V$LOCKED_OBJECT T1,V$SESSION T2 WHERE T1.SESSION_ID=T2.SID ORDER BY T2.LOGON_TIME;
view all the sessions
SELECT * FROM V$SESSION;
kill session
ALTER SYSTEM KILL SESSION '1863,13867';
ALTER SYSTEM KILL SESSION '2147,30383';
ALTER SYSTEM KILL SESSION '1452,58691';