Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL> STOP What would happen to the sessions that are presently connected to the database instance？（） The sessions are able to perform only queries.。 The sessions are not affected and continue to function normally.。 The active transactions are rolled back and the sessions get terminated.。 The sessions are not allowed to perform any operations till the listener is started.。
著名教育家（）说：我的教育信条是，没有爱就没有教育，没有兴趣就没有学习。
You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A user database named Products is included by your SQL Server 2005 computer. SQL Server Integration Services （SSIS） packages are utilized to export data from the Products database to a text file. You deliver the text file to your company’s trading partners by utilizing FTP. You are required to make sure that your SSIS packages can be recovered from the occurrence of a disaster. Which action should be performed to finish the task？（） To finish the task，the Products database should be backed up.。 To finish the task，your server should be set to utilize the full recovery model.。 To finish the task，your server should be set to utilize the bulk-logged recovery model.。 To finish the task， the msdb database should be backed up.。
Given: Which method will complete this class?（） public int compareTo(Object o){/*more code here*/}。 public int compareTo(Score other){/*more code here*/}。 public int compare(Score s1,Score s2){/*more code here*/}。 public int compare(Object o1,Object o2){/*more code here*/}。
当发生较大事故情况时，应上报（）处理。 县级.企业。 市级、县级。 省级.市级。 国务院.省级。
An administrator wants to mirror an important filesystem between two disks without mirroring the entire volume group.
Which command should be used？（）
