在 SELECT 语句中,用于将查询结果进行排序的关键字是。
A. HAVING
B. GROUP BY
C. WHERE
D. ORDER BY
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下列选项中,用于过滤查询结果中重复行的关键字是
A. DISTINCT
B. HAVING
C. ORDER BY
D. LIMIT
当对字段进行排序时,默认采用的排序方式是
ASC
B. DESC
C. ESC
DSC
下列选项中,能够按照 score 由高到低显示 student 表中记录的 SQL 语句是
A. SELECT* FROM student ORDER BY score ;
B. SELECT* FROM student ORDER BY score ASC ;
C. SELECT * FROM student ORDER BY score DESC ;
D. SELECT* FROM student GROUP BY score DESC ;
在 SELECT 语句中,用于筛选行的关键字是
A. WHILE
B. GROUP BY
C. WHERE
D. HAVNG
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