INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (4992, 'EPSG', 4992, '+proj=geocent +ellps=krass +units=m +no_defs +type=crs', 'GEOCCS["Lao 1997",DATUM["Lao_National_Datum_1997",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6678"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4992"]]');