Data engineering·Orchestration and running it in anger
the number is wrong and you need to know every table between it and the source, without reading forty SQL files.
Data lineage
Also calledlineage, provenance, data flow graph
The recorded graph of which datasets are derived from which, ideally parsed from the transformation code rather than maintained by hand. It is what makes both directions of an incident tractable: upstream to find the cause, downstream to find who else is now wrong. Hand-maintained lineage is worse than none, because it is trusted and stale at the same time.