pg_cron is a Postgres extension that simplifies the scheduling of database tasks using familiar cron syntax, allowing for automated data transformations, notifications, and maintenance within the database environment. However, issues can arise when scheduled tasks fail due to schema changes, such as tables being dropped without corresponding updates to the cron jobs, leading to persistent error logs. The architecture of pg_cron, which operates by storing job definitions as raw SQL text, means it does not automatically detect changes in the database schema, resulting in recurring failures when a table is removed. To address this, Postgres event triggers can be employed to automatically unschedule affected pg_cron jobs upon detecting a table drop, effectively preventing error spam without manual intervention. This solution leverages the sql_drop event trigger to maintain synchronization between pg_cron's scheduling metadata and the actual state of the database schema, offering a self-healing mechanism that enhances operational reliability. While pg_cron is ideal for tasks like database maintenance and lightweight ETL within the same database, other tools like Apache Airflow or Inngest may be more suitable for tasks requiring cross-database coordination, long-running jobs, or complex dependency graphs.