INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (9950, 'EPSG', 9950, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["ISN2016 + ISH2004 height",GEOGCS["ISN2016",DATUM["Islands_Net_2016",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1187"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8086"]],VERT_CS["ISH2004 height",VERT_DATUM["Landshaedarkerfi Islands 2004",2005,AUTHORITY["EPSG","1190"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8089"]],AUTHORITY["EPSG","9950"]]');