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Return the 3-dimensional minimum cartesian distance between A and B ST_3DDistance

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Signatures

ST_3DDistance (A: Geometry, B: Geometry)

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Parameters

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A
Geometry
required
The input geometry.
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B
Geometry
required
The second geometry.

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Return type

A numeric value.

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Example

SELECT ST_3DDistance(ST_GeomFromText("POINT Z (0 0 -5)"),
                     ST_GeomFromText("POINT Z(1  1 -6"))

1.7320508075688772