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Q&A How to schedule cron jobs in multiple Azure Database for PostgreSQL databases?

Azure Database for PostgreSQL by design limits the number of databases containing pg_cron jobs metadata to only one. This is can be specified in the cron.database_name server parameter (the default...

posted 2d ago by Alexei‭

Answer
#1: Initial revision by user avatar Alexei‭ · 2025-05-18T06:13:15Z (2 days ago)
Azure Database for PostgreSQL by design limits the number of databases containing `pg_cron` jobs metadata to only one. This is can be specified in the `cron.database_name` server parameter (the default is `postgres`).

PostgreSQL has a pretty good isolation between the databases on the same instances, so running cross-database queries is not trivial (as opposed to SQL Server).

When enabling `pg_cron` a custom function allows to specify the database the job non-query runs against. Example:

```sql
SELECT cron.schedule_in_database('JobName','*/10 * * * 
*','CALL custom_procedure();','custom-db');
```