raster2pgsql -s 4326 -I -C -M -F -t 100x100 "C:\Users\DELL\Downloads\LANDSATclipped.tif" public.dem | psql -U postgres -d administrative

raster2pgsql -s 4326 -I -C -M -F -t 100x100 "C:\Users\DELL\Downloads\LANDSATclipped.tif" public.dem | psql -d administrative

psql -U postgres -d administrative -f "C:\Program Files\PostgreSQL\17\share\contrib\postgis-3.5\rtpostgis.sql"

SELECT typname FROM pg_type WHERE typname = 'raster';

CREATE EXTENSION postgis;

SELECT postgis_full_version();