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Discussion on "SQL EXISTS vs JOIN: Find Customers Who Have Placed an Order" | Hashnode

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Kailas Warade

Programming and Data Analytics Simplified For Everyone

4d ago

SQL EXISTS vs JOIN: Find Customers Who Have Placed an Order

#88 SQL Challenge: Can You Find Customers Who Have Placed an Order? Imagine your manager asks you to find all customers who have placed at least one order. You have two tables. Some customers have pla

sankalandtech.hashnode.dev3 min read

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