[Oracle] DB 락 해제 방법

SELECT A.SESSION_ID SID,
B.SERIAL# SERIAL_NO,
A.OS_USER_NAME OS_USER_NAME,
A.ORACLE_USERNAME ORACLE_USERNAME,
B.STATUS STATUS
FROM V$LOCKED_OBJECT A, V$SESSION B
WHERE A.SESSION_ID = B.SID;

SELECT *
  FROM V$LOCKED_OBJECT;

ALTER SYSTEM KILL SESSION 'SID, SERIAL_ID';