In which situation would you use the Oracle Shared Server configuration？（） when performing export and import using Oracle Data Pump。 when performing backup and recovery operations using Oracle Recovery Manager。 when performing batch processing and bulk loading operation in a data warehouse environment 。 in an online transaction processing （OLTP） system where large number of client sessions are idle most of the time。
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. There is a database named Inventory on a SQL Server 2005 computer， and the computer is named SQL01. SQL01 is utilized to aggregate manufacturing part numbers from your company’s trading partners. And the company stores the manufacturing part numbers in the Product table in the Inventory database. The company requests the users to deliver data as text files from each trading partner to SQL1 every night. The data should be imported， and no duplicate manufacturing part numbers should exist in the data which is imported from the text files， and the text files are stored in the Inventory database on SQL01. You should cut the effect on your company’s trading partners and your IT department to the least. Which action should you perform？（） First， you should import the data from each text file into a staging table. Second， you should write a query to have a HAVING clause contained so as to migrate replicate values before results are inserted into the Product table.。 First， you should make sure that each text file is stored in an Extensible Markup Language （XML） file. Second， you should utilize Extensible Stylesheet Language Transformations （XSLT） to automatically migrate replicates before data is imported into the Product table.。 First， you should make sure that the unique key values for manufacturing part numbers are utilized by each of your company’s trading partners utilizes. Second， you should import the text files into the Product table.。 You should place a unique index on the PartNum column.。
电路中，电流之所以能流动，是由于电源两端的电位差所造成的，我们把这个电位差称为。（） 电压。 电流。 电源。
Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client whileconnecting to the database instance from a remote machine（） Host naming method。 Local naming method。 External naming method。 Directory naming method。
监理实施细则应由（）编制，经总监理工程师批准，在工程开工前完成，并报建设单位核备。 监理员。 专业监理工程师。 副总监。 监理机构。
The server host1 has been set up as a backup system with the following /etc/exports：/backups -rw.
How can a second server regularly use this disk space？（）
