References

• The PostgreSQL official documentation related to NOTIFY is available at: https://www.postgresql.org/docs/11/static/sql-notify.html
• The PostgreSQL official documentation related to LISTEN is available at: https://www.postgresql.org/docs/11/static/sql-listen.html
• The PostgreSQL Java Database Connectivity Driver official documentation about JDBC Listen/Notify is available at: https://jdbc.postgresql.org/documentation/81/listennotify.html
• The PostgreSQL official documentation related to Background Workers is available at: https://www.postgresql.org/docs/11/static/bgworker.html