Question

Table Orders(OrderID, CustomerI

  • D has 10 rows with CustomerID values: C1, C1, C2, C3, C1, C2, C4, C2, C3, C1. How many groups (customers) will be returned by the following query? SELECT CustomerID, COUNT(*) FROM Orders GROUP BY CustomerID HAVING COUNT(*) >= 2;
A 4
B 1
C 2
D 5
E 3
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