34 lines
933 B
MySQL
34 lines
933 B
MySQL
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--Employee ID, Orders Processed, Sort by processed
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SELECT EmployeeID, Count(OrderID) as TotalOrders
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FROM Orders
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GROUP BY EmployeeID
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ORDER BY TotalOrders DESC;
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--Get top 5
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SELECT * FROM (
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SELECT EmployeeID, Count(OrderID) as TotalOrders
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FROM Orders
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GROUP BY EmployeeID
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ORDER BY TotalOrders DESC)
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WHERE rownum <= 5;
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--Retrieve most expensive order
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SELECT * FROM (
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SELECT OrderID, Sum(UnitPrice * Quantity * (1 - Discount)) AS Expense
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FROM Order_Details
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GROUP BY OrderID
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ORDER BY Expense DESC)
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WHERE rownum <= 1;
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--10 bestselling products
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SELECT * FROM (
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SELECT P.ProductName, Sum(O.Quantity) AS Sales, Rank() OVER
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(ORDER BY Sum(O.Quantity) DESC)
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AS RNK
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FROM Products P, Order_Details O
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WHERE P.ProductID = O.ProductID
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GROUP BY P.ProductName
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ORDER BY Sales DESC)
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WHERE RNK <= 10;
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