A user reports that each day some files are deleted from the department share. The administrator needs to find who deleted these files. Which of the following actions should the administrator perform？（）
An internal user has deleted a file named， pagefile.sys and is concerned this deletion may affect the computer. The user should be instructed to：（）
Which of the following allows users to recover their deleted files on file shares by themselves？（）
You need to recommend a strategy for recovering objects deleted from Active Directory that supports the planned changes. What should you include in the recommendation？ （）
Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation？（）
函数Deleted（）的值为真时，说明（）。
命令SET DELETED OFF的作用是（）.
SQL SERVER中INSERTED表和DELETED表有何用？
表学生.DBF中共有20个记录,顺序执行下面命令： SET DELETED OFF USE 学生 DELETE COUNT TO AA PACK COUNT TO AA ZAP COUNT TO AA USE 3次COUNT 得到的AA结果分别为（）
命令SET DELETED OFF的作用是（）.
