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多选题
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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