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:

Cloud vs Self-Hosting in Data Systems: Control, Cost Shape, and What the Cloud Really Changes

June 17, 2026Architecture Patterns

Cloud versus self-hosting is not a religion war. It is a trade-off between control, speed, staffing, cost shape, operational burden, and the kinds of abstractions your system is allowed to depend on.

Operational vs Analytical Systems: Why OLTP, OLAP, Warehouses, and Data Lakes Exist

June 14, 2026Data Systems

A data system is not one thing. Operational databases, analytics engines, warehouses, lakes, and derived datasets exist because products ask very different questions at very different speeds.

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