Blog
Application code has CI gates, blue-green deploys, and rollback. Your warehouse schema has a Slack channel. Why the gap persists — and what state-based schema management with a safety classifier fixes.
A Snowflake stream stores an offset, not rows — and three innocent-looking DDL changes destroy it with no recovery path. What a stream really is, why Time Travel will not save you, and the checklist that prevents it.
On Databricks, CREATE OR REPLACE TABLE is the recommended rebuild — which is what makes it dangerous. Where the Delta safety net ends, what is genuinely unrecoverable, and how to review for it.