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單項(xiàng)選擇題

A.SYSDBA
B.SYSTEM
C.SCOTT
D.SYS

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A.ALTER TABLE USER RENAME AS USERINFO;
B.RENAME TO USERINFO FROM USER
C.RENAME USER TO USERINFO;
D.RENAME USER AS USERINFO

A.SELECT TABLE
B.ALTER TABLE
C.SYSDBA
D.CREATE INDEX