如下SQL语句SELECT * FROM 选课 WHERE 成绩 NOT BETWEEN 80 AND 90等价的SQL语句是:()
A、SELECT*FROM选课WHERE成绩<80AND成绩>90 ;
B、SELECT*FROM选课WHERE成绩<=80AND成绩>=90 ;
C、SELECT*FROM选课WHERE成绩<80OR成绩>90 ;
D、SELECT*FROM选课WHERE成绩<=80OR成绩>=90
发布时间:2024-10-06 00:36:17
A、SELECT*FROM选课WHERE成绩<80AND成绩>90 ;
B、SELECT*FROM选课WHERE成绩<=80AND成绩>=90 ;
C、SELECT*FROM选课WHERE成绩<80OR成绩>90 ;
D、SELECT*FROM选课WHERE成绩<=80OR成绩>=90