Returns a collection of any distinct values that are returned by both the query expressions on the left and right sides of the INTERSECT operand. All expressions must be of the same type or of a ...
UNPIVOT (NoEmp for DepartmentName IN ( [Production],[Engineering], [Sales])) AS ok -- Task 2. Đọc bổ sung kiến thức về Set operators (Tham khảo: https ...
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