单项选择题
A.You should create a cached data collection
B.You should create an on-demand non-cached data collection
C.You should create a scheduled non-cached data collection
D.You should create two different SQL Agent jobs that are scheduled stimultaneously
单项选择题 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. You have to perform the backup of the default trace according to the requirement of your failure recovery plan. The default trace is contained in the subdirectory.You have to backup the subdirectory. Which SQL Server database engine subdirectory should be backed up？（）
单项选择题 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance which contains multiple Agent jobs. The jobs run each job on each day of the week by using seven shared schedules. You must make sure that a job named Job4 doesn；t run Wednesday. So what action should you perform to achieve this goal？（）
单项选择题 You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a stored procedure. The stored procedure implements a database maintenance process. A SQL Server Agent job should be created to that runs the stored procedure. Besides this， you must make sure that after it is completed successfully， the job is removed. What should you do？ （）