TAILIEUCHUNG - Microsoft SQL Server 2008 R2 Unleashed- P210

Microsoft SQL Server 2008 R2 Unleashed- P210:SQL Server 2005 provided a number of significant new features and enhancements over what was available in SQL Server 2000. This is not too surprising considering there was a five-year gap between these major SQL Server 2008 is not as much of a quantum leap forward from SQL Server 2005 | 2054 CHAPTER 51 SQL Server 2008 Analysis Services can see in Figure you can click and drag any attribute listed in this dimension from the Attributes pane on the far left to the Hierarchies pane. A new hierarchy is created automatically when you pull your first attribute into this work area. Your goal is to create the following hierarchy for the time dimension in this order from top to bottom 1. All Time 2. Year Time 3. Quarter Time 4. Month Time FIGURE Finishing the generation of the time dimension. In addition from this designer you can click on the Attribute Relationships tab to see how the dimension key relates to any of the other attributes you have defined in the dimension. Usually there is a correspondence of the key attribute to each of the hierarchy levels which show how they can be used . Figure shows what was generated by the Dimension Wizard. If you need to specify other attribute relationships you can easily do so here. If you want to browse the data that will make up your dimension that is coming from the data source you must first process your dimension populate the values that represent the dimension and hierarchy . A process icon the second icon in the upper-left corner of the dimension structure designer takes you through a two-step process sequence. Step one is to deploy the definitions and see whether any errors might exist. Step two is to populate the values run the processing . If you like you can do this now. When this sequence is An OLAP Requirements Example CompSales International 2055 FIGURE Creating the time hierarchy in the dimension designer. 51 FIGURE Attribute relationships in your dimension. 2056 CHAPTER 51 SQL Server 2008 Analysis Services done you should be able to open the Dimension Browser and navigate around in your fully populated dimension hierarchy as shown in Figure . FIGURE Browsing the time dimension hierarchy. You will probably notice that the data values being displayed in the .

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