PostgreSQL

PostgreSQL is a free open source relational database.

psql -U postgres Log into Postgres as user 'postgres'

\l List all databases in Postgres

\c {databasename} Connect to database

\d List all tables in Postgres database

\q Disconnect from database

Admin

sudo systemctl restart postgresql Restart postgres

Set password for user

1. switch to OS user: su - postgres
2. connect: psql
3. \password OR (for other user named 'replication') \password replication OR ALTER ROLE replication WITH LOGIN PASSWORD 'password';