Changing a Data Model Without Breaking the People Using It
The dangerous model change is the one that passes every check. See what breaks consumers, why meaning changes are invisible, and how to publish one safely.
-
-
Impact Analysis
Before changing a column, find everything that depends on it. Lineage finds the pipelines; query logs find the people; neither finds everyone on its own.
-
Column-Level Lineage
If a report uses four of forty columns, table-level lineage cannot tell you whether your change is harmless or breaking. Column-level lineage can.