sys_context 获取环境上下文的函数

select SYS_CONTEXT('USERENV','IP_ADDRESS') from dual; -------------------------------------------------------------------------------- 192.168.0.136 SQL> select sys_context('userenv','sid') from dual; SYS_CONTEXT('USERENV','SID') -------------------------------------------------------------------------------- 129 SQL> select sys_context('userenv','terminal') from dual; SYS_CONTEXT('USERENV','TERMINAL') -------------------------------------------------------------------------------- TIMRAN-222C75E5