Cannot open database "studying" requested by the login.
无法打开数据库“研究”登录所请求的。
Cannot change the default Database Reference while designers are open.
当设计器打开时无法更改默认的数据库引用。
The database is already open in exclusive mode. Changes to connection properties cannot be saved.
数据库已按独占方式打开。无法保存对连接属性所做的更改。
When a standby database is open for read-only access, users can query the standby database but cannot update it.
当备库是以只读方式打开时，用户只能在备库上查询而不能更新它。
When a standby database is open for read-only access, users can query the standby database but cannot update it.
当备库是以只读方式打开时，用户只能在备库上查询而不能更新它。
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