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Examine the code： CREATE ROLE readonly IDENTIFIES USING app.chk_readwrite ； CREATE ROLE readwrite IDENTIFIED USING app.chk_readwrite ； CREATE OR REPLACE PROCEDURE app.chk_readwrite AUTHID CURRENT_USER IS ipchk STRING（30）； BEGIN IF sys_context（‘USERENV’，’ISDBA’）=’TRUE’ THEN DBMS_SESSION.SET_ROLE‘READWRITE’） ； ELSE DBMS_SESSION.SET_ROLE（‘READONLY’） ； END； / Which three statements correctly describe the Secure Application role definition？（）
- A、No user or application has to remember or hide a password.
- B、It prevents everyone except a true DBA session from acquiring the READWRITE role.
- C、app.chk_readwrite is called whenever a user tries to access rows protected by the READONLY or READWRITE label.
- D、app.chk_readwrite is called by users or applications when they want to enable the READONLY or READWRITE role.
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更多 “ Examine the code： CREATE ROLE readonly IDENTIFIES USING app.chk_readwrite ； CREATE ROLE readwrite IDENTIFIED USING app.chk_readwrite ； CREATE OR REPLACE PROCEDURE app.chk_readwrite AUTHID CURRENT_USER IS ipchk STRING（30）； BEGIN IF sys_context（‘USERENV’，’ISDBA’）=’TRUE’ THEN DBMS_SESSION.SET_ROLE‘READWRITE’） ； ELSE DBMS_SESSION.SET_ROLE（‘READONLY’） ； END； / Which three statements correctly describe the Secure Application role definition？（）A、No user or application has to remember or hide a password. B、It prevents everyone except a true DBA session from acquiring the READWRITE role. C、app.chk_readwrite is called whenever a user tries to access rows protected by the READONLY or READWRITE label. D、app.chk_readwrite is called by users or applications when they want to enable the READONLY or READWRITE role.” 相关考题
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