पोस्टग्रेज के भीतर से:
COPY table_name FROM PROGRAM 'unzip -p input.csv.zip' DELIMITER ',';
unzip -p . के मैन पेज से :
-p extract files to pipe (stdout). Nothing but the file data is sent to stdout, and the files are always extracted in binary
format, just as they are stored (no conversions).
