In Microsoft SQL Server 10, how do I开发者_开发知识库 set constraint, that column in table with data type nchar(50) must be unique?
ALTER TABLE yourtable
ADD CONSTRAINT yourColumn
UNIQUE (uniqueConstraintName)
How to set VS2010 SQL table column to be unique?
In Microsoft SQL Server 10, how do I开发者_开发知识库 set constraint, that column in table with data type nchar(50) must be unique? ALTER TABLE yourtable
0
0
0
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
精彩评论