题目内容

项目起始规模的确定,一般采用()。

A. 盈亏平衡分析法
B. 最小费用法
C. 资金利润率法
D. 平均成本法

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沃家庭B套餐内所有用户均为预付费用户。

A. 正确
B. 错误

公平、竞争、有序是发挥市场作用的前提。

A. 正确
B. 错误

有先秦思想家认为:“君上之于民也,有难则用其死,安平则尽其力。”据此可知这位思想家强调():

A. 君主无为而治
B. 强化血缘等级
C. 推行礼乐仁政
D. 实行严刑峻法

You are creating a view to join the Customers and Orders tables in a SQL Server 2005 database. You need to ensure that the view cannot be affected by modifications to underlying table schemas. You want to accomplish this goal by using the least possible amount of overhead. What should you do?()

A. Create CHECK constraints on the tables.
B. Create a DDL trigger to roll back any changes to the tables if the changes affect the columns in the view.
Create the view, specifying the WITH SCHEMABINDING option.
D. Create the view, specifying the WITH CHECK option.&e

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