INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (6981, 'EPSG', 6981, '+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs', 'GEOCCS["IG05 Intermediate CRS",DATUM["IG05_Intermediate_Datum",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1142"]],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","6981"]]');