Deleting Data 删除数据 ; 删除
deleting data from the disk 删除磁盘上的数据
deleting unrelidble data 剔除可疑数据
Deleting And Retrieving Data 删除和检索数据
Each operation performed by a DAO — such as creating, updating, or deleting data — is associated with a transaction.
由DAO所执行的每一个操作——如创建、更新或者删除数据——都与一个事务相关联。
A highly duplicated index can severely impact the speed of accessing, updating and deleting data.
一个高度重复的索引可能会严重影响访问、更新和删除数据的速度。
It includes examples of searching for data using various attributes, and adding, updating, and deleting data in the system.
文中包括多个例子，涉及到使用各种属性搜索数据，以及在系统中添加、更新和删除数据。
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