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While creating a scheduler window using the DBMS_SCHEDULER package， a user logged in as DBMGR gets the error message insufficient privileges.  Which two commands would you use to resolve this error？（）
A:GRANT dba TO dbmgr;
B:GRANT connect TO dbmgr;
C:GRANT resource TO dbmgr;
D:GRANT hs_admin_role TO dbmgr;
E:GRANT manage scheduler TO dbmgr;

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出自：Oracle认证

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