国家（）用人单位根据本单位实际情况为劳动者建立补充保险。 规定。 鼓励。 强制。 支持。
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. SQL Server 2008 instances at five sites are managed by you.A mission-critical database is shared by the five sites. According to the business requirements, the users at each site should be enabled to access and change data on all sites with minimal latency.In addition, data loss should be minimized if a server fails. A high-availability solution should be designed, and the business requirements should be satisfied. Which action should be included in your solution?（） Failover clustering should be included. 。 Asynchronous database mirroring without a witness server should be included.。 Peer-to-Peer replication should be included. 。 Log shipping to servers at two of the sites to offer read-only replications of data should be included.。
TestKing.com uses SQL Server 2005. Users report that report execution is slow. You investigate and discover that some queries do not use optimal execution plans. You also notice that some optimizer statistics are missing and others are out of date. You need to correct the problem so that reports execute more quickly. Which two Transact-SQL statements should you use？（） DBCC CHECKTABLE。 ALTER INDEX REORGANIZE。 UPDATE STATISTICS。 CREATE STATISTICS。 DBCC SHOW STATISTICS。 DBCC UPDATEUSAGE。
模块划分的原则是（）。 耦合小，内聚小。 耦合大，内聚小。 耦合小，内聚大。 耦合大，内聚大。
有些学生说，如果父母少一点唠叨，或者学校少一点讨厌的考试，他们会更乐意学习，这一现象的心理实质是（） 正强化。 负强化。 惩罚。 消退。
您需要为在西雅图呼叫中心的客户计算机设计桌面和安全设置。您的解决方案必须使用最小的管理操作。您应该执行哪2个操作？（）
