Metrics layer
Metrics layer shows up across 3 courses in 1 layerof the data platform stack. Here's where it's taught, a free way to practice it, and what to learn next.
Where it's taught
Why a Metrics Layer Exists
Metric drift is an org failure with a technical fix. This course makes the case for a metrics layer: the three-definitions-of-MAU war story, the headless BI thesis, what a metrics layer is NOT, and why adoption fails at month 6 rather than at install.
7 ch · 1h 28m
1 freeMeasures, Metrics, Entities, Dimensions
The four primitives every metrics store is built on, made precise. Why a measure is not a metric, how entities are the join graph you already have, the ratio-metric order-of-aggregation trap, cumulative metrics and the time spine, and the metric DAG you never drew.
9 ch · 1h 53m
1 freeQuery Planning Over a Semantic Graph
How a metrics engine turns 'total_revenue by region' into a multi-join SQL plan. Join path resolution, the fan-out join trap, symmetric aggregates, aggregation pushdown, time grain resolution, slice-and-dice semantics, and why you cache a tuple, not a metric.
8 ch · 1h 41m
1 freeRelated topics
Start learning metrics layer free
The first chapter of every course is free to read — no account needed.