SqlGeography.STDifference 메서드

SQL Server 2012

Returns an object representing the points from one SqlGeography instance that do not lie within another SqlGeography instance.

네임스페이스:  Microsoft.SqlServer.Types
어셈블리:  Microsoft.SqlServer.Types(Microsoft.SqlServer.Types.dll)

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public SqlGeography STDifference(
	SqlGeography other
)

매개 변수

other
유형: Microsoft.SqlServer.Types.SqlGeography
Another SqlGeography instance that indicates which points to remove from the instance on which this method is being invoked.

반환 값

유형: Microsoft.SqlServer.Types.SqlGeography
A SqlGeography value that represents all of the points that are unique to the calling instance.

This method always returns null if the spatial reference IDs (SRIDs) of the SqlGeography instances do not match.

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