Manipulating geography Instances
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Manipulating geography Instances

SQL Server 2008 R2

The geography data type provides numerous built-in methods you can use to create new geography instances based on existing instances.

To create a buffer around a geography

STBuffer (geography Data Type)

To create a buffer around a geography, allowing for a tolerance

BufferWithTolerance (geography Data Type)

To create a geography from the intersection of two geography instances

STIntersection (geography Data Type)

To create a geography from the union of two geography instances

STUnion (geography Data Type)

To create a geography from the points where one geography does not overlap another

STDifference (geography Data Type)

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