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