> And for that, you need to know SQL and not just some half-baked SQL punch through the ORM deigns to afford to you. That and read replicas. Relying on the ORM

> And for that, you need to know SQL and not just some half-baked SQL punch through the ORM deigns to afford to you. That and read replicas. Relying on the ORM will not save you, but knowledge of SQL (specifically materialized views) will.