单项选择题 You are modifying a table named Product in a SQL Server 2005 database. You want to add a new column named FriendlyName to the Product table. A friendly name for each product will be stored in this column. The table currently contains data. The sales department has not yet created a friendly name for each product. FriendlyName is a required value for each product. You want to add this new column by using the least amount of effort. What should you do？（）

单项选择题 You are creating a SQL Server 2005 database for a mortgage company. The database will support a new Web-based application that will handle up to 1，000 simultaneous users. This application must quickly display the results of calculation-intensive operations， such as calculating mortgage payments and amortization schedules. You need to ensure that the database processes calculations as quickly and efficiently as possible. What should you do？（）

单项选择题 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？（）