与 select * from 成绩 WHERE 成绩 between 70 and 80 功能等价的语句是( )。
A、select*from成绩WHERE成绩>70and成绩<80
B、select*from成绩WHERE成绩>=70and成绩<=80
C、select*from成绩WHERE成绩>70and<80
D、select*from成绩WHERE成绩=>70and<=80
发布时间:2024-10-06 00:36:17
A、select*from成绩WHERE成绩>70and成绩<80
B、select*from成绩WHERE成绩>=70and成绩<=80
C、select*from成绩WHERE成绩>70and<80
D、select*from成绩WHERE成绩=>70and<=80