The database principal owns a schema in the database, and cannot be dropped. (.Net SqlClient Data Pr

解决microsoft sql server error:15138的方法

http://blog.csdn.net/gray13/article/details/4458523

用sp_change_users_login消除Sql Server的孤立用户
http://www.cnblogs.com/13590/archive/2007/09/28/909643.html

exec sp_change_users_login 'REPORT'

exec sp_change_users_login 'AUTO_FIX','UserName'

exec sp_change_users_login 'UPDATE_ONE','UserName','UserName'