INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (5252, 'EPSG', 5252, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["TUREF",DATUM["Turkish_National_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1057"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5252"]]');