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
正确答案:C
答案解析:有
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Oracle认证考试
Oracle认证考试
EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table？（）
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