INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (10989, 'EPSG', 10989, '+vunits=m +no_defs +type=crs', 'VERT_CS["London Survey Grid height",VERT_DATUM["London Survey Grid height datum",2005,AUTHORITY["EPSG","1423"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","10989"]]');