INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (4677, 'EPSG', 4677, '+proj=longlat +ellps=krass +no_defs +type=crs', 'GEOGCS["Lao 1993",DATUM["Lao_1993",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6677"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4677"]]');