Which two tasks can your perform by using the TO_CHAR function? （）
- A、Convert 10 to 'TEN'
- B、Convert '10' to 10
- C、Convert '10' to '10'
- D、Convert 'TEN' to 10
- E、Convert a date to a character expression
- F、Convert a character expression to a date
正确答案:C,E
答案解析:有
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