Export Postgres Database into CSV file

Question

I want to export a Postgres database into a CSV file. Is this possible?

If it is possible, then how can I do this? I have seen that we can convert a particular table into

Answer 1

You can use this at psql console:

\copy (SELECT foo,bar FROM whatever) TO '/tmp/file.csv' DELIMITER ',' CSV HEADER

Or it in bash console:

psql -P format=unaligned -P tuples_only -P fieldsep=\, -c "SELECT foo,bar FROM whatever" > output_file