postgres give user permissions code example

Example 1: grant all privileges database postgres to user

GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA schema_name TO username;

Example 2: how to give access to database in postgresql server to another user

GRANT permissions ON DATABASE dbname TO username;

Example 3: grant all privileges database postgres to user

GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA schema_name TO username;

Example 4: postgresql user permissions to 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;