Field Notes

Notes from the migration itself

Not marketing copy — the actual patterns, costs, and failure points we run into doing this work.

What a Teradata to BigQuery Migration Actually Costs in 2026

A real breakdown of where migration budgets go — licensing overlap, conversion effort, validation, and the line items most estimates miss entirely.

BTEQ to BigQuery: The Conversion Patterns That Actually Break

Sentinel dates, implicit casting, multi-statement transactions, and the other BTEQ habits that don't survive contact with BigQuery SQL.

What Governance Actually Means After a Teradata Migration

The cataloging, lineage, and access-control work that gets cut when budgets tighten — and why that's exactly the wrong place to cut.

20 Things to Verify Before You Start a Teradata Migration

The questions a real assessment asks before anyone touches a schema — plus the free downloadable checklist version.

Want the free tools too?

Checklist, SQL cheat sheet, query pack, cost estimator, governance templates — all free on the Resources page.

See Free Resources →