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
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