INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (9451, 'EPSG', 9451, '+vunits=m +no_defs +type=crs', 'VERT_CS["BI height",VERT_DATUM["British Isles height ensemble",2005,AUTHORITY["EPSG","1288"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9451"]]');