You design a SQL Server 2008 Reporting Services （SSRS） solution. You create a report by using Microsoft Visual Studio .NET 2008. The report contains the following components： A dataset named Customer that lists all active customers and their details. The dataset accepts no parameters. A dataset named SalesHistory that lists all sales transactions for a specified time period and accepts year and month as parameters. You need to ensure that a summary of sales transactions is displayed for each customer after the customer details. Which component should you add to the report？ （）

YoudesignaBusinessIntelligence（BI）solutionbyusingSQLSer...

多项选择题You design a Business Intelligence （BI） solution by using SQL Server 2008.  You plan to create a SQL Server 2008 Reporting Services （SSRS） solution that contains five sales dashboard reports.  Users must be able to manipulate the reports’ parameters to analyze data. You need to ensure that the following requirements are met： Users can manipulate the parameters for data analysis in a single trip to the data source.  Reports are automatically rendered as soon as they are accessed for the first time. Which two tasks should you perform？（）