AlexWebLab

Explore a wide range of web development topics, from JavaScript to React and beyond, and uncover valuable insights to enhance your skills.

Latest 2 articles:

SQL vs NoSQL, ACID vs BASE, and OLTP vs OLAP: Picking Data Systems Without Hand-Waving

June 12, 2026Data Systems

Relational vs non-relational, transactional vs eventually consistent, operational vs analytical, warehouse vs data lake. These are not separate buzzwords. They are connected choices about what data model, guarantees, and query patterns your product actually needs.

Caches, CDNs, and Database Indexes: Three Different Ways to Make Reads Fast

June 10, 2026Data Systems

Not all performance wins come from the same layer. Caches, CDNs, and database indexes all speed up reads, but they solve different bottlenecks and create different failure modes around staleness, invalidation, and query cost.

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