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.。
The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario?（） The optimizer adds the new plan to the plan history.。 The optimizer selects the new plan for the execution of the SQL statement.。 The optimizer adds the new plan to the SQL plan baseline as an accepted plan.。 The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.。 The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.。
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。
原件
特许经营模式是第二次世界大战后迅速发展的一种经营业态，它具有这样的基本特征：（） 特许人与受许人之间依赖于合同关系。 特许人和受许人均是独立的法人主体。 特许人对受许人的授权包括无形资产和有形资产。 特许人向受许人收取一定的特许费。 受许人要依合同经营。
嗜碱微生物是指那些能够（）生长的微生物
