OGC Methods on Geometry Instances

**APPLIES TO:** SQL Server (starting with 2012) Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse

SQL Server supports the Open Geospatial Consortium (OGC) methods on geometry instances.

For more information on OGC specifications, see the following:

• OGC Specifications, Simple Feature Access Part 1 - Common Architecture

• OGC Specifications, Simple Feature Access Part 2 – SQL Options

In This Section

• STArea

• STAsBinary

• STAsText

• STBoundary

• STBuffer

• STCentroid

• STContains

• STConvexHull

• STCrosses

• STCurveN (geometry Data Type)

• STCurveToLine (geometry Data Type)

• STDifference

• STDimension

• STDisjoint

• STDistance

• STEndpoint

• STEnvelope

• STEquals

• STExteriorRing

• STGeometryN

• STGeometryType

• STInteriorRingN

• STIntersection

• STIntersects

• STIsClosed

• STIsEmpty

• STIsRing

• STIsSimple

• STIsValid

• STLength

• STNumCurves (geometry Data Type)

• STNumGeometries

• STNumInteriorRing

• STNumPoints

• STOverlaps

• STPointN

• STPointOnSurface

• STRelate

• STSrid

• STStartPoint

• STSymDifference

• STTouches

• STUnion

• STWithin

• STX

• STY

See Also

Extended Methods on Geometry Instances
OGC Static Geometry Methods
Extended Static Geometry Methods