Create a view named purchase_amount_view to calculate the total purchase amount for each order from the provided table orderdetails.Table Details:Table name: orderdetails (table names are case sensitive)Column Names:order_number (int) - primary keyproduct_code (int) - primary keyquantity_ordered (int)price_each (decimal(8,2))
Question
Create a view named purchase_amount_view to calculate the total purchase amount for each order from the provided table orderdetails.Table Details:Table name: orderdetails (table names are case sensitive)Column Names:order_number (int) - primary keyproduct_code (int) - primary keyquantity_ordered (int)price_each (decimal(8,2))
Solution
To create a view named purchase_amount_view that calculates the total purchase amount for each order from the orderdetails table, you would use the SQL CREATE VIEW statement. Here's how you can do it:
CREATE VIEW purchase_amount_view AS
SELECT order_number, SUM(quantity_ordered * price_each) AS total_purchase_amount
FROM order_details
GROUP BY order_number;
Here's a step-by-step breakdown of the SQL statement:
-
CREATE VIEW purchase_amount_view AS: This line creates a new view namedpurchase_amount_view. -
SELECT order_number, SUM(quantity_ordered * price_each) AS total_purchase_amount: This line selects theorder_numberand calculates the total purchase amount for each order. The total purchase amount is calculated by multiplying thequantity_orderedby theprice_each, and then summing up the results. The result is given the aliastotal_purchase_amount. -
FROM order_details: This line specifies the table from which to select the data, which isorder_detailsin this case. -
GROUP BY order_number;: This line groups the results byorder_number, which means that the total purchase amount will be calculated for each order.
Please note that SQL is case-insensitive, but the table names and column names are case-sensitive. So, make sure to use the correct case when referring to them.
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