Schema Changes Without Pager Nights: Contracts and Shadow Pipelines for Data Teams
Why Do Small Schema Changes Still Wake People Up at 2 AM? Data teams love to say “it’s just a column addition, it shouldn’t break anything.” And yet, somewhere downstream, a transformation job silently dies, an ML pipeline ingests unexpected nulls, or dashboards light up with errors. The result? Midnight Slack pings, hotfix patches, and […]
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