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Logistics & Supply Chain · Ticket #2

Which SKUs need reordering?

Mid Free 10 min SUM()HAVINGAggregate errors3-table JOIN

ops-control SwiftShip VJ NP

SwiftShip database

What you'll learn

Stock levels come from summing movements (a ledger)
Aggregates can't go in WHERE; use HAVING
Columns in HAVING must be grouped or aggregated

More tickets

Previous · Ticket #1 On-time delivery rate by carrier Next · Ticket #3 Pro When did stock go negative? All tickets

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