Identity two advantages of using a recovery catalog in-load of the control File of the target database Recovery Manager （RMAN）.（） [" You can use RMAN stored scripts."," Recovery is faster if data is stored in catalog in addition to the control file."," You can store backup Information of all registered databases in one place."," Database backups are automatically deleted when they are older than the specified time period."]
When considering Dynamic Infrastructure, which IBM storage technology is the IBMrecommended solution for small and medium businesses?（） ["IBM System Storage DS3500 Express ","IBM System Storage DS5300 ","IBM XIV Storage System ","IBM N series 6240"]
You are a database administrator for your company. The company uses a vendor company’s application that is based on a proprietary database. You query data from the application database and import the data into a SQL Server 2005 database. The application vendor provides you with a new OLE DB driver to be used when querying the application database. Company policy prohibits connections between the SQL Server database and the application database， except when querying this data. You need to provide a way to query data from the application database. What should you？（） ["Configure a Linked Server connection to the application database.","Write a query that uses an OPENDATASOURCE command.","Write a query that uses an OPENQUERY command.","Configure a Remote Server connection to the application database."]
嗜碱微生物是指那些能够（）生长的微生物 ["在冷的温度下","在高压下","在高温下","在高pH值下"]
影响经济批量的因素有（）。 ["每次的换产费用","制品的年产量","单件的库存费","制品的生产率","销售情况"]
放牧家畜的结构有哪些层次？科学设置家畜结构需要考虑哪些因素。
