create postgres user with password ubuntu code example

Example 1: how to connect postgres user password using command line

sudo -u postgres psql postgres

Example 2: create password for user in postgres

ALTER USER davide WITH PASSWORD 'hu8jmn3';

Example 3: create and attach user to a postgresql database

sudo -u postgres psqlpostgres=# create database mydb;postgres=# create user myuser with encrypted password 'mypass';postgres=# grant all privileges on database mydb to myuser;

Example 4: create user and password postgres

dropuser username