SQL: Scale Up vs. Scale Out Check Description Optimize the application before scaling up or scaling out. Address historical and reporting data. Scale up for most applications. Scale out when scaling up does not suffice or is cost-prohibitive. Schema Check Description Devote the appropriate resources to schema design. Separate online analytical processing (OLAP) and online transaction processing (OLTP) workloads. Normalize first, denormalize later for performance. Define all primary keys and foreign key relationships. Define all unique constraints and check constraints. Choose the most appropriate data type. Use indexed views for de...