INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (7890, 'EPSG', 7890, '+vunits=m +no_defs +type=crs', 'VERT_CS["SHVD2015 height",VERT_DATUM["St. Helena Vertical Datum 2015",2005,AUTHORITY["EPSG","1177"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7890"]]');