tailieunhanh - Microsoft SQL Server 2008 R2 Unleashed- P222

Microsoft SQL Server 2008 R2 Unleashed- P222: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 | 2174 CHAPTER 53 SQL Server 2008 Reporting Services commonly understood symbols such as traffic signals directional arrows rating starts and so on. Data Bar Actually a type of small chart the data bar allows for the graphical representation of one or more data series just as you would find in a chart a data bar may also be promoted to a full chart control with a click of the context menu . These bars can be drawn as horizontal or vertical bars and can express multiple groups categories of values within a series. Sparkline Also a type of small chart and also promotable to a full chart a Sparkline is much like a data bar in that it enables the visual expression of one or more data series grouped or ungrouped . Sparklines come in a range of styles including chart types such as column line area shape and range. Sparklines and data bars are meant to be small and quickly comprehended as such they lack legends tick marks labels and axis lines. Map The map control enables the visualization of geospatial mapping data that you may combine with related analytical data. Every map begins with a map layer which you can source from one of three places A predefined . country or state map these come with SSRS that you may select one from the map gallery An Environmental Systems Research Institute Inc. ESRI shapefile a vector format that contains geographical data and other attributes A query against spatial data stored in SQL Server using the new geography or geometry data types discussed in Chapter 24 Creating and Managing Tables and Chapter 42 What s New for Transact-SQL in SQL Server 2008 As for your related analytical data you can source it from any related dataset or it may be embedded in the spatial data source itself. For example if the data you want to visualize includes product orders by region you can relate that regional data to fields in the spatial dataset using match fields. This topic is covered later in this chapter in the section Working with Maps. Finally and .

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