1.数据库还原后,数据库用户名的问题
exec sp_change_users_login 'AUTO_FIX', 'userloginname'
2.-- c.provincecode and m.provincecode use different Collate
-- c.provincecode and m.provincecode use different Collate
select c.cityname, m.description as provincename,c.provincecode,c.citycode
from city c inner join province m on c.provincecode Collate Database_Default = m.provincecode
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