将数据库恢复到其他服务器时，数据库中包含一组用户和权限，但可能没有相应的登录或者登录所关联的用户可能不是相同的用户。
When a database is restored to a different server it contains a set of users and permissions but there may not be any corresponding logins or the logins may not be associated with the same users.
该表中与规则变量对应的列，或者来自规则输出定义的物理列，具有与元数据中相应列相同的数据类型。
Columns in this table that correspond to rule variables, or physical columns from the output definition of the rule, have the same data type as the corresponding columns in the data source.
这都是可以的，因为他们有相应的地区或者客户基础，而其它的用户不会改变相同的记录。
This is okay because they have a given region or customer base where other people won't be changing the same records.
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