ML Engineer MasterClass (April) | 6 seats left

Change Data Capture (CDC)

Change Data Capture (CDC)

Change Data Capture (CDC)

Most data pipelines start with a query. Every few minutes, some job runs SELECT * FROM orders WHERE updated_at > :last_run and dumps the results into a staging table. It works until it doesn't. The query adds load to your production database, the latency is measured in minutes not seconds, and if a row gets deleted, you'll never know. The downstream warehouse just keeps serving stale data like nothing happened.

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