INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (6881, 'EPSG', 6881, '+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-24,-203,268,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Aden 1925",DATUM["Aden_1925",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-24,-203,268,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6881"]]');