Which of the following commands will display a snapshot of cluster status， including details of current networkstatus and resource group fallover/fallback policies？（） cldump。 cllssvcs。 clshowres。 clstat -o。
下列不属于数据电文的是（）。 电子邮件。 手机短信。 电报。 书面合同。
Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee： SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE; What effect would this statement have on the database？（） The extents in undo tablespace retain data until the next full database backup.。 The extents containing committed data in the undo tablespace are never overwritten.。 The extents which no longer contain uncommitted data in the undo tablespace are not overwritten for at least15 minutes.。 The extents containing committed data in the undo tablespace are not overwritten until the instance is shut down.。
You are a database administrator for your company. The company’s financial forecasting application uses a SQL Server 2005 database that enables business users to run both ad hoc and predefined queries. You suspect that some queries consume an excessive amount of server resources. You need to identify which queries consume the most resources. You want to achieve this goal as quickly as possible. What should you do？（） Use the DBCC INPUTBUFFER command.。 Use the sys.dm_exec_query_stats dynamic management view （DMV）.。 Use the sqldiag utility.。 Use the SHOWPLAN session option.。
通风及空调工程材料进入施工现场后，必须由供货商、（）、施工单位的代表共同对其进行实物到货验收。 建设单位。 监检单位。 安全部门。 监理。
What is a key new feature in Tivoli Storage Manager Version 6 that allows for a larger sizeddatabase?（）
