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1Z0-047

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单项选择题

EMPDET is an external table containing the columns EMPNO and ENAME.  
Which command would work in relation to the EMPDET table? ()

A.A
B.B
C.C
D.D

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多项选择题 WhichthreepossiblevaluescanbesetfortheTIME_ZONEsessionparameterbyusingtheALTERSESSIONcommand?()

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