• CREATE ROLE statement official documentation: https://www.postgresql.org/docs/12/sql-createrole.html
• ALTER ROLE statement official documentation: https://www.postgresql.org/docs/12/sql-alterrole.html

• DROP ROLE statement official documentation: https://www.postgresql.org/docs/12/sql-droprole.html
• GRANT statement official documentation: https://www.postgresql.org/docs/12/sql-grant.html
• REVOKE statement official documentation: https://www.postgresql.org/docs/12/sql-revoke.html
• PostgreSQL pg_roles catalog details: https://www.postgresql.org/docs/12/view-pg-roles.html
• PostgreSQL pg_authid catalog details: https://www.postgresql.org/docs/12/catalog-pg-authid.html
• PostgreSQL ACL documentation: https://www.postgresql.org/docs/12/ddl-priv.html
• PostgreSQL host-based access rule details: https://www.postgresql.org/docs/12/auth-pg-hba-conf.html
• PostgreSQL ACL utility functions: https://www.postgresql.org/docs/12/functions-info.html