sudo -u postgres psql
postgres=# create database mydb;
postgres=# create user myuser with encrypted password 'mypass';
postgres=# grant all privileges on database mydb to myuser;CREATE USER visualscrapy WITH PASSWORD '123456';
# it will create the new user in postgresCREATE DATABASE yourdbname;CREATE USER youruser WITH ENCRYPTED PASSWORD 'yourpass';GRANT ALL PRIVILEGES ON DATABASE yourdbname TO youruser;# https://www.postgresql.org/docs/8.0/sql-createuser.html
CREATE USER <username> WITH PASSWORD '<password>' VALID UNTIL '<date here>';