在任何情况下,一个组织应对公众和媒体公告其信息系统中发生的信息安全事件?()
A、当信息安全事件的负面影响扩展到本组织意外时
B、只要发生了安全事件就应当公告
C、只有公众的什么财产安全受到巨大危害时才公告
D、当信息安全事件平息之后
要打开一个视图以便浏览或更新其中的数据,可以使用命令( )。
A、USE
B、USEVIEW
C、BROWSE
D、BROWSEVIEW
You are designing an application for a telecom company and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order. Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()
A、create a hash cluster to store the data
B、create an index cluster to store the data
C、create a partitioned table to store the data
D、create a sorted hash cluster to store the data
E、create a heap table with rowid to store the data
Matthew has recently joined NetFx Corporation as a junior-level Database Administrator (DBA). He is asked by his supervisor to verify the database for data block corruptions. He uses the DBVERIFY utility and finds that two data blocks are corrupted in the database. What should Matthew use to identify the corrupted blocks as well as datafiles containing these blocks?()
A、 datafile
B、 alert log
C、 dynamic views
D、 control file script
执行查询文件myquery.qpr的命令是( )。
A、DO myquery
B、DO myquery.qpr
C、DO QUERY myquery
D、RUN QUERY myquery
You have created a resource plan, DB_PLAN, using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users. Which step must be performed before you can start using the resource plan?()
A、 assign users to consumer groups
B、 set the resource plan for the instance
C、 configure a simple resource plan and specify plan directives
D、 configure a complex resource plan and specify plan directives