[From SQL Server Performance
This is the third article of the new data types in SQL Server 2008 series. We have already discussed the new date time data types in the first article and HierarchyID in second article. In this article, we are going to discuss spatial data types.
Spatial data represents information about the physical location and shape of geometric objects. These objects can be point locations or more complex objects such as countries, roads, or lakes.
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