单选题:下列短语中可以在SQL查询时去掉重复数据的是。
下列短语中可以在SQL查询时去掉重复数据的是。 @[D](2)
A. ORDER BY
B. DESC
C. GROUP BY
D. DISTINCT
A.ORDER BY
B.DESC
C.GROUP BY
D.DISTINCT
答案:D
A. ORDER BY
B. DESC
C. GROUP BY
D. DISTINCT
A.ORDER BY
B.DESC
C.GROUP BY
D.DISTINCT
答案:D