1. ????

???? `??`?????????identified by "?????"

???? `??` ????????????`?????`

??????????
?? `??` ???????????? `resource_name`
?? `??` ??????
?? `??` ?????????
?? `??` ??????????????????
????????
?? `srapp_hz_zhpt_ylcs` ? `srapp_hz_zhpt_yl.jggl` ?? SELECT?ALTER?DROP?INSERT ???
????????
?? `??` ??? CREATE TABLE ??
??????
???? `select * from user_sys_privs;` ??????
???? `select * from user_tab_privs;` ?????
????
???? `myrole`
???? `myrole` ??????
??? `??` ???? `myrole`
???? `myrole`