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在SQL Server 2005中,有一个course(课程)表,包含字段:cName(课程名称),grade(学分)。要从此表中查询所有学分不在2~4之间的课程名称,以下spl语句正确的是(选一项)
A.
SELECT cName FROM course WHERE grade IN (2, 4)
B.
SELECT cName FROM course WHERE grade NOT BETWEEN 2 AND 4
C.
SELECT cName FROM course WHERE ! (grade > 2 AND grade < 4)
D.
SELECT cName FROM course WHERE ! (grade < 2 OR grade <=4)