Dear SELECT ST_BandPixelType(rast) FROM demtest LIMIT 1 Note : there is ony one row in demtest Output : 16BUI With Thanks & regards Mahavir Trivedi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20121129/3b3d6b1d/attachment.html>