tldr/pages/common/psql.md

psql

PostgreSQL command-line client

• Connect to database. It connects to localhost using default port 5432 with default user.

psql {{database}}

• Connect to database on given server host running on given port with username given

psql -h {{host}} -p {{port}} -U {{username}} mydb

• Run query against the given database

echo '{{query}}' | psql {{database}}

or

psql -c '{{query}}' {{database}}