题目：若要查询Kc表中的xF字段,并要求不能有重复,则sQI.语句为 ( )
2024-11-13
ASELECT*FROM KC
BSEI,ECT AI.I.XF FROM KC
CSELECT DISTICT XF FROM KC
DSELECT XF FROM KC
BSEI,ECT AI.I.XF FROM KC
CSELECT DISTICT XF FROM KC
DSELECT XF FROM KC
正确答案：C
试题解析：暂无
