You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing and sustaining the database life cycle. In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization. A SQL Server 2008 infrastructure is managed by you. A maintenance strategy should be designed for a mission-critical database, and a large table named Orders is contained by the database. Index maintenance operations are contained in the design plan. When you design the strategy, the facts listed below should be taken into consideration. First, the users continuously access to the Orders table in the database. Secondly, a column of the xml data type is contained by Orders table. Thirdly, the new rows are regularly added to the Orders table. Fourthly, the average fragmentation for the clustered index of the Orders table is no more than 2 percent. A strategy should be designed to have the performance of the queries on the table optimized. Which action will you perform?（） The clustered index of the Orders table should be dropped.。 The clustered index of the Orders table offline should be rebuilt once a month.。 The clustered index of the Orders table should be excluded from scheduled reorganizing or rebuilding operations.。 The clustered index of the Orders table should be reorganized by reducing the fill factor.。
强调迁移就是心理官能发展的结果，这一理论是（） 形式训练说。 共同要素说。 经验类化说。 关系转换说。
你的网络中有一个主办公室和一个分支办公室。分支办公室有5台运行Windows 7的客户端计算机。所有客户端计算机都配置了使用BranchCache。在分支办公室，一台名为Computer1的计算机体验到性能问题。你需要临时避免所有计算机从Computer1上获取缓存内容，你应该在Computer1上做什么？（） 在命令提示符中，运行Netsh branchcache flush。 在命令提示符中，运行Netsh branchcache dump。 在网络文件组策略设置修改BranchCache配置。 在客户计算机缓存组策略设置中修改使用磁盘空间百分比设置。
一般认为，速动比率在（）以上较好。 2。 1。 0.8。 0.5。
前刀刃的（）做成倾斜形成后角，可减少剪切过程中刀刃与材料的摩擦。 侧面。 上面。 前面。 后面。
临界温度高于65℃的气体为（）。
