One Wrong JOIN and Your Revenue Doubles — The Complete Guide to Accurate Revenue Aggregation
Row Explosion in 1:N JOINs and how to aggregate revenue correctly
One Wrong JOIN and Your Revenue Doubles — The Complete Guide to Accurate Revenue Aggregation
Pivot Table 30 Min vs SQL 30 Sec, But Why Don't the Numbers Match?
"Huh, that's weird. Why is revenue so high?"
Ever discovered your revenue numbers are 2x off from the finance team's report right before presenting? This problem—caused by JOIN results inflating due to 1:N relationships—happens to almost every analyst at least once.
This guide doesn't just show query patterns. We'll deeply cover how to diagnose why revenue gets inflated and techniques for accurate aggregation without duplicates.
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