这个函数在写一些触发器,函数的时候非常有用处。 用法:SELECT sys_context('USERENV', '') FROM dual; 第二个参数的可选值: AUTHENTICATION_DATA Data being used to authenticate the login user. For X.503 certificate authenticated sessions,... Read More
posted @ 2007-09-04 09:17 blueKnight Views(301) Comments(0) Diggs(0)