社会实践的基本要求是（） 正确。 错误。
Evaluate these two SQL statements: SELECT last_name, salary, hire_dateFROM EMPLOYEES ORDRE BY salary DESC; SELECT last_name, salary, hire_dateFROM EMPOLYEES ORDER BY 2 DESC; What is true about them? （） 正确。 错误。
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. More than a month ago， the SQL 2005 Server computer is deployed in operation. There are some query performance problems last week. Therefore， you perform an investigation on the locking contention. From the sys.dm_os_wait_stats dynamic management view （DMV）， you can see a high value in the max_wait_time_ms column. You want to check out whether this value is a factor which leads to the current performance problems. In addition， the impact on database users should e cut to the least. Which action should be performed to achieve the goal？（） 正确。 错误。
纳税人通过合法的手段以纳税最优化为目的，在纳税决策中所作的决策称为（）。 正确。 错误。
施工进度的动态检查在施工进度计划的实施过程中，由于各种因素的影响，常常会打乱原始计划的安排而出现（）。 正确。 错误。
任何单位和个人在与金融机构建立业务关系或者要求金融机构为其提供一次性金融服务时，都应当提供真实有效的身份证件或者其他身份文件。
