I think it scales really well and as long as you take enough time to learn a little bit about it, it works really well.
IBM Db2 Warehouse excels in stored procedures, parallelism, and diverse indexing strategies, offering scalability suitable for varied data demands. Cloud deployment flexibility enables easy scalability from on-premise to cloud with robust security for enterprises. It efficiently handles big data but needs improvement in separating compute from storage. Backup solutions are slow, training resources inadequate, and documentation limited. Support ticket responses take two to four days, even for critical issues.