INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (21500, 'EPSG', 21500, '+proj=lcc +lat_0=90 +lon_0=0 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000 +y_0=5400000 +ellps=intl +pm=brussels +units=m +no_defs +type=crs', 'PROJCS["BD50 (Brussels) / Belge Lambert 50",GEOGCS["BD50 (Brussels)",DATUM["Reseau_National_Belge_1950_Brussels",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6809"]],PRIMEM["Brussels",4.367975,AUTHORITY["EPSG","8910"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4809"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",0],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000],PARAMETER["false_northing",5400000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21500"]]');