Accessing the database using both JDBC and EJB2 CMP can cause data synchronization issues when update and query are performed together within one transaction.
如果同时使用JDBC和EJB2CMP访问数据库,那么当在一个事务中同时执行更新和查询时会发生数据同步问题。
When update activity is excessive, the ability of cluster replication to maintain database synchronization becomes limited if the server is not sized properly.
如果没有适当地安排服务器的大小,当更新活动比较频繁时,集群复制维护数据库同步的能力就会受到限制。
When the client is online a "that is, when the client has connectivity to the server — database synchronization can be triggered immediately after an update is made to the local database."
当客户机联机时——即客户机已经连接到服务器——在对本地数据库进行更新之后,将立即触发数据库同步。
The default behavior of the Configure data Synchronization dialog box is to automatically run the scripts and update the remote database when the dialog box is closed.
“配置数据同步”对话框的默认行为是在关闭时自动运行脚本并更新远程数据库。
Configure data Synchronization dialog box is to automatically run the scripts and update the remote database when the dialog box is closed.
“配置数据同步”对话框的默认行为是在关闭时自动运行脚本并更新远程数据库。
When the next sales rep goes to synchronize the update to the main database, a conflict occurs because the current state of the row is different from what the synchronization engine was expecting.
当下一个销售代表同步更新到主数据库中时,就会发生异常,因为当前行的状态和同步引擎期望的不同。
When the next sales rep goes to synchronize the update to the main database, a conflict occurs because the current state of the row is different from what the synchronization engine was expecting.
当下一个销售代表同步更新到主数据库中时,就会发生异常,因为当前行的状态和同步引擎期望的不同。
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