1. -- WKB ==> WKT
    2. -- ST_astext(wkb)
    3. SELECT ST_astext('0103000020E61000000100000005000000899130348F6A5A40F00A03ABADBA38401D7C7FCBB58A5A406395F73308A5384044AD735F57845A40E96161B0C72F38401F0BEFE14F645A408A8D05DB65453840899130348F6A5A40F00A03ABADBA3840')
    5. -- WKT ==> WKB
    6. -- ST_GeomFromText(wkt, srid)
    7. SELECT ST_GeomFromText('POLYGON((110.2685546875 28.033197847676362,110.35644531250001 20.46818922264096,113.67578125000007 20.5093545887146,113.80761718750003 27.761329874505236,110.2685546875 28.033197847676362))' , 4326)
    9. -- geojson ==> WKB
    10. -- st_geomfromgeojson(wkt, srid)
    11. SELECT st_geomfromgeojson( '{"type":"MultiPolygon","coordinates":[[[[120.295412474406,37.4883526911239],[120.293941967748,37.484954821308],[120.29369926321,37.4850975886828],[120.295066276787,37.4880602172053],[120.295637254556,37.4895384562348],[120.295651125699,37.4895620796264],[120.295869728405,37.4899438957942],[120.296110044343,37.4898397587979],[120.295412474406,37.4883526911239]]]],"crs":{"type":"name","properties":{"name":"EPSG:4490"}}}' )
    14. select st_srid(geom) from table_name
    16. select UpdateGeometrySRID('table_name', 'geom', 4326);