ML Engineer MasterClass (April) | 6 seats left

Temporal Data Modeling

Temporal Data Modeling

Temporal Data Modeling

A pricing team at a mid-size SaaS company ran their quarterly revenue reconciliation and found the numbers didn't match. Not by a rounding error. By millions. The culprit: every time a customer changed plans, the ETL job ran a simple UPDATE on the subscription row. Price changed, record updated, old value gone. By the time the auditors asked "what was this customer's contracted rate in March?", the database had no idea. T...

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