INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (4683, 'EPSG', 4683, '+proj=longlat +ellps=clrk66 +no_defs +type=crs', 'GEOGCS["PRS92",DATUM["Philippine_Reference_System_1992",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6683"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4683"]]');