PostgreSQL Create Database

To create a database, run

CREATE DATABASE "DB_NAME_HERE";

Creating user, grant permissions

CREATE USER USER_NAME_HERE WITH PASSWORD 'BAPT788HZutBdV';

GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO USER_NAME_HERE;
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO USER_NAME_HERE;
GRANT USAGE ON SCHEMA public TO USER_NAME_HERE;

GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA DB_NAME_HERE TO USER_NAME_HERE;
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA DB_NAME_HERE TO USER_NAME_HERE;
GRANT ALL PRIVILEGES ON DATABASE DB_NAME_HERE TO USER_NAME_HERE;

psql DB_NAME_HERE -c "GRANT ALL ON ALL TABLES IN SCHEMA public to USER_NAME_HERE;"
psql DB_NAME_HERE -c "GRANT ALL ON ALL SEQUENCES IN SCHEMA public to USER_NAME_HERE;"
psql DB_NAME_HERE -c "GRANT ALL ON ALL FUNCTIONS IN SCHEMA public to USER_NAME_HERE;"

Creating a User and Database using psql

su - postgres
createuser USERNAME_HERE
createdb --encoding=UTF8 --owner=USERNAME_HERE DB_NAME_HERE