February 18 2025
Data Modeling Without Overcomplicating
How to turn business rules into entities, relationships, and constraints that stay useful in real systems.
Data & Storage
Modeling, persistence, consistency, and storage trade-offs that shape system behavior.
February 21 2025
Choosing Between SQL and NoSQL
How to choose storage by looking at access patterns, consistency, data shape, and operational cost.
February 20 2025
Cache and Consistency in Real Systems
How to think about cache as a copy with a consistency cost, not as a magic patch for slow reads.
June 19 2025
Replication and Sharding Without Mystery
How to understand when replication helps, when sharding enters the conversation, and why they solve different problems.
September 27 2025
Strong vs Eventual Consistency
How to decide when stale data is acceptable and when it becomes a product error.