Using Block Change Tracking to Improve Incremental Backup Performance 使用块改变跟踪改善增量备份的性能 The block change tracking feature for incremental backups improves backup performance by recording changed blocks for each data file. 块改变跟踪特性通过记录每个数据文件的块改变来改善增量
回顾 HierarchyViewer for iOS是我们发布的一个开源项目,采用GPL v3.0协议. HierarchyViewer for iOS可以帮助iOS应用的开发和测试人员,在没有源代码的情况下,也可以图形化地浏览iOS应用的控件树和控件属性.并且,HierarchyViewer for iOS还可以帮助生成iQuery代码和UIAutomation原生代码,把控件树导出为图片等功能.下面是Mac OS X下,1.0版本的截图: HirarchyViewer for iOS 1
1.Enable the change tracking at the database level. ALTER DATABASE AdventureWorks2008 SET CHANGE_TRACKING = ON; By Default retention is 2 dyas with auto clean up on.We can use below SQL to check it. SELECT * FROM sys.change_tracking_databases databas