STLineFromText (geography Data Type)
Returns a geography instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation, augmented with any Z (elevation) and M (measure) values carried by the instance.
Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.
The following example uses STLineFromText() to create a geography instance.
DECLARE @g geography; SET @g = geography::STLineFromText('LINESTRING(-122.360 47.656, -122.343 47.656 )', 4326); SELECT @g.ToString();