简单的说就是可以让包含用户访问其他数据库，那么来看看如何配置，并且验证一下：
USE test
CREATE USER up1 WITH PASSWORD = 'zhuzhu'
SELECT * FROM sys . database_principals WHERE name = 'up'
CREATE DATABASE test1
ALTER ROLE db_owner ADD MEMBER up
USE test1
GO
ALTER DATABASE test1 SET CONTAINMENT =PARTIAL
go
CREATE USEr up WITH PASSWORD ='zhuzhu' , SID= 0x01050000000000090300000052B30378A873B5438A33068E2C91F0AC
ALTER ROLE db_owner ADD MEMBER up
ALTER DATABASE test SET TRUSTWORTHY ON ;
登录然后验证
SELECT USER_NAME ()
-----------------------------------------------
up
GO
SELECT COUNT (1 ) FROM test . sys. objects
SELECT COUNT (1 ) FROM test1 . sys. objects
SELECT COUNT (1 ) FROM [ReportServer$SQL2016] . sys. objects
-----------
114
( 1 row (s ) affected )
-----------
91
( 1 row (s ) affected )
Msg 916 , Level 14 , State 1 , Line 5
The server principal "up" is not able to access the database "ReportServer$SQL2016" under the current security context.