首页/ 题库 / [单选题]对于学生信息表(XSB),包含字段:学号的答案

对于学生信息表(XSB),包含字段:学号(SNO),姓名(SNAME),性别(SEX),年龄(AGE),所在系(DEPT),其中SNO为主码,检索年龄在20~30之间的学生姓名和年龄,正确的语句是()

单选题
2022-09-21 21:06
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
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正确答案
C

试题解析

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