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Schema drift explained

Column changes that silently break marts.

The problem

A rename ships. Downstream models fail at 6am. Dashboards look haunted. The schema move was invisible.

The outcome

Detect structural change early; until then, lean on dbt tests and failure triage as the live safety net.

Live today

dbt test/model failures

Soon

Schema drift monitors

Goal

Catch renames early

What you get

Tests are a backstop

not_null and relationships catch many breaks.

Watch critical marts

Not every sandbox column.

Announce breaking changes

Process beats pure tooling.

Roadmap detection

Metadata column/type change alerts.

Try VectorData, then decide

Open workspace, or book a Data Stack Health Audit credited toward Managed.