Semantic layer vs. data catalog : complementary tools explained. One defines what data means, the other inventories what data exists.
Semantic layer vs. metrics layer : how they overlap, where they differ, and when you need one, the other, or both.
A step-by-step guide to building a semantic layer : from identifying core metrics to implementing views, documentation, and access policies.
A complete guide to semantic layers : what they are, what they contain, how they work in practice, and why AI agents and self-service analytics depend on them.
