向student表中添加某一列address的命令是()


向student表中添加某一列address的命令是()

A.alter table student add address varchar(50)

B.add address varchar(50)

C.insert into address varchar(50)

D.insert into student address varchar(50)

正确答案:alter table student add address varchar(50)


Tag:SqlServer数据库原理与应用 命令 时间:2023-12-26 10:57:32