标签:style color ar sp on ad bs size sql
1.增加列:
alter table tableName add columnName varchar(30)
2.修改列类型:
alter table tableName alter column columnName varchar(4000)
3.修改列的名称:
EXEC sp_rename ‘tableName.column1‘ , ‘column2‘ (把表名为tableName的column1列名修改为column2)
4.删除列:
alter table tableName drop column columnName
标签:style color ar sp on ad bs size sql
原文地址:http://www.cnblogs.com/xrtd/p/4042189.html