{"id":"rds-chained-replicas-mysql-mariadb-postgres-only","text":"Chained read replicas (replica of a replica) are supported for MariaDB, MySQL, and some PostgreSQL versions, but not for Db2, Oracle, or SQL Server.","truth_value":"IN","source":"entries/2026/03/08/rds-read-replicas.md","source_url":"","source_hash":"8ac155310bbf644f","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"rds-chained-replicas-mysql-mariadb-postgres-only","truth_value":"IN","reason":"premise"}]}}