INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (6646, 'EPSG', 6646, '+proj=tmerc +lat_0=29.0262683333333 +lon_0=46.5 +k=0.9994 +x_0=800000 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=70.995,-335.916,262.898,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Karbala 1979 / Iraq National Grid",GEOGCS["Karbala 1979",DATUM["Karbala_1979",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[70.995,-335.916,262.898,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4743"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",29.0262683333333],PARAMETER["central_meridian",46.5],PARAMETER["scale_factor",0.9994],PARAMETER["false_easting",800000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6646"]]');