What happens when all applications disconnect from the database?
当所有应用程序从数据库断开连接时，会发生什么？
Offline backup requires that all applications disconnect from the database, whereas online backup allows transactions to carry on while backup is in progress.
脱机备份要求所有应用程序断开与数据库的连接，联机备份允许在备份的过程中继续执行事务。
Once all of the database configuration parameters that we discussed in the previous section are updated, you will need to make sure all applications disconnect from the database.
一旦更新了在前一节讨论的所有数据库配置参数，就需要确保所有应用程序从数据库断开连接。
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