一个关系若存在部分函数依赖和传递函数依赖，则必然会造成带来（）和（）（更新异常）。
在没有风险和通货膨胀的情况下，投资报酬率就是时间价值率。
Your company has an Active Directory domain. You install an Enterprise Root certification authority （CA） on a member server named Server1. You need to ensure that only the Security Manager is authorized to revoke certificates that are supplied by Server1. What should you do（） Remove the Request Certificates permission from the Domain Users group.。 Remove the Request Certificates permission from the Authenticated Users group.。 Assign the Allow - Manage CA permission to only the Security Manager user account.。 Assign the Allow - Issue and Manage Certificates permission to only the Security Manager user account.。
试述非正式群体的含义及特点？
A Windows Azure application connects to a SQL Azure database. Connections to the database are being dropped due to throttling. You need to recommend an approach for identifying the root cause of the problem. Which two actions should you recommend？（） Use Dynamic Management Views to analyze performance issues.。 Decrease the connection timeout in the database connection string.。 Make sure the application is closing database connections that are not needed.。 Use SQL Profiler to analyze performance issues by configuring it to connect to SQL Azure.。
钢管进场检验，外观检查应满足以下条件（）
