A、select sname,age from xsb where age>20and age<23
B、select*from xsb where age between20 and 23
C、select sname,age from xsb where agebetween20 and 23
A、select sname,age from xsb where age>20and age<23
B、select*from xsb where age between20 and 23
C、select sname,age from xsb where agebetween20 and 23
时间:2022-09-21 21:06 关键词: 大学试题 工学 结构化查询语言(SQL) 计算机科学技术
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