by 허승호 [2014.03.03 10:46:58]
SELECT ,SYS_CONTEXT('USERENV','CURRENT_USER') CURRENT_USER ,SYS_CONTEXT('USERENV','CURRENT_USERID') CURRENT_USERID ,SYS_CONTEXT('USERENV','SESSION_USER') SESSION_USER ,SYS_CONTEXT('USERENV','SESSION_USERID') SESSION_USERID FROM DUAL