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A spatial extension of the
H2 database.

Getting started
couldn't be simpler.

Spatial query sample

-- Count White Walkers 500m around "The Wall"
SELECT COUNT(*) AS NB_WHITE_WALKERS
FROM CREATURES, LOCATIONS LOC
WHERE ST_INTERSECTS(ST_BUFFER(LOC.THE_GEOM, 500),
CREATURES.POSITION)
AND LOC.NAME = 'THE WALL'
AND CREATURES.NAME = 'WHITE WALKERS';