SQL Query question You are given the following data tables:Employees (EmployeelD, LastName, FirstName, BirthDate, Notes)Orders (OrderID, CustomerID, EmployeeID, Order Date, ProductID, UnitPrice,Quantity, ShipperID)Note that:The data type of "LastName", "FirstName", and "Notes" is string.The data type of "OrderID", "ProductID", "UnitPrice", "Quantity", "CustomerID","EmployeeID", and "ShipperID" is number.The data type of "BirthDate" and "OrderDate" is date."EmployeeID" in relation "Orders" represents the single employee who handles this order,and it is a foreign key that references "EmployeeID" in relation "Employees".Each order contains only a single type of product with a positive quantity.Question: For each of all employees, use the "GROUP BY" statement to compute the totalquantity of products in orders he/she handled regardless of the product ID. Return theemployee ID and the corresponding total quantity.

The SQL query provided calculates the total quantity of products in orders handled by each employee,…

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

SQL Query question

You are given the following data tables:
Employees (EmployeelD, LastName, FirstName, BirthDate, Notes)
Orders (OrderID, CustomerID, EmployeeID, Order Date, ProductID, UnitPrice,
Quantity, ShipperID)
Note that:
The data type of "LastName", "FirstName", and "Notes" is string.
The data type of "OrderID", "ProductID", "UnitPrice", "Quantity", "CustomerID",
"EmployeeID", and "ShipperID" is number.
The data type of "BirthDate" and "OrderDate" is date.
"EmployeeID" in relation "Orders" represents the single employee who handles this order,
and it is a foreign key that references "EmployeeID" in relation "Employees".
Each order contains only a single type of product with a positive quantity.
Question: For each of all employees, use the "GROUP BY" statement to compute the total
quantity of products in orders he/she handled regardless of the product ID. Return the
employee ID and the corresponding total quantity.

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