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

If you want to specify the database and user while exporting you can just modify the answer given by Piotr as follows

psql -P format=unaligned -P tuples_only -P fieldsep=\, -c "select * from tableName" > tableName_exp.csv -U  -d