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Long (geography Data Type)

Long (geography Data Type)


Applies To: SQL Server 2014, SQL Server 2016 Preview

The longitude property of the geography instance.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.


SQL Server type: float

CLR type: SqlDouble

In the OpenGIS model, Long is defined only on geography instances composed of a single point. This property will return NULL if geography instances contain more than a single point. This property is precise and read-only.

This example creates a Point instance and retrieves the longitude of the point.

DECLARE @g geography;
SET @g = geography::STGeomFromText('POINT(-122.34900 47.65100)', 4326);
SELECT @g.Long;

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