Relational vs Non-Relational Database: Choosing the Right Data Store
Summary
Relational databases enforce schemas and ACID transactions with vertical scaling and strong consistency, making them the right fit for mission-critical systems like banking, healthcare, and e-commerce; non-relational databases trade that for flexible schemas and horizontal scaling with eventual consistency, suited to high-volume workloads like social media, real-time analytics, and IoT. The post breaks down these tradeoffs to help practitioners match the data store to the workload rather than defaulting to one model.
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