首页/ 题库 / [多选题]单选,5分] 学生关系模式 S( S#,的答案

单选,5分] 学生关系模式 S( S#,Sname,Sex,Age),S的属性分别表示学生的学号、姓名、性别、年龄。要在表S中删除一个属性“年龄”,可选用的SQL语句是( )。

多选题
2021-09-03 16:25
A、DELETE Age from S
B、ALTER TABLE S DROP Age
C、UPDATE S Age
D、ALTER TABLE S ‘Age’
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正确答案
B@#@B

试题解析

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