INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (6638, 'EPSG', 6638, '+vunits=m +no_defs +type=crs', 'VERT_CS["Tutuila 1962 height",VERT_DATUM["Tutuila Vertical Datum of 1962",2005,AUTHORITY["EPSG","1121"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6638"]]');