INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (8931, 'EPSG', 8931, '+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs', 'GEOCCS["SIRGAS-CON DGF08P01",DATUM["SIRGAS_Continuously_Operating_Network_DGF08P01",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1235"]],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","8931"]]');