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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. You find a problem that when the following query is executed， a SQL Server 2005 application will perform slowly. SELECT * FROM Orders WHERE OrderStatus = ’InProgress’ This query is executed by the application as an ad hoc query. In most occasions， this query performs much more quickly. The company has the OrderStatus column indexed. The value InProgress is included by only a small number of the rows. Nevertheless， the OrderStatus column index which is the most ideal for this query is not being utilized. The performance of this query should be enhanced. However， the application that executes the query should not be changed. In addition， the effect on end users should be cut to the least. Which action should be performed to finish the task？（）
我们可以从壁画中的人物形象和使用器具推断出壁画创作的年代。
什么叫常量化变量？其作用是什么？
期货公司营业部变更营业场所的，应当妥善处理客户的保证金和持仓，拟迁入的营业场所和拟使用的设施应当满足期货业务的需要。期货公司应当向营业部所在地的中国证监会派出机构提交下列（）申请材料。
____是校本课程开发的主要力量，在校本课程开发的整个过程中，他不仅是亲历者还是监督者。
对于发现早期亚临床型肝癌最有价值的是（）。
喷雾降尘能起到怎样的捕尘作用？
（ ）可以基于历史记录以及专家经验，并根据风险类型、风险分析的目的以及信息数据的可获得性，采取定性、定量或者定性与定量相结合的方式。
图中所示的出版社和作者表之间的关系是（）
下列景区中，在同一年被评为国家4A级风景区的包括（ ）。
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