如果使用SQL Server Express [

If you use SQL Server Express[^], then you can access the database from every computer on the network - it is (as the name suggests) a database server system and is designed to do just that. Are you sure you downloaded the Express edition, rather than SQLite?

http://msdn.microsoft.com/zh-cn/library/bb264562(v = sql.90).aspx

http://msdn.microsoft.com/en-us/library/bb264562(v=sql.90).aspx