Practice SQL Window Functions | Xorthax's Trading Post

Tables Used

orderdetails

Column	Type
orderdetailid	bigint
orderid	bigint
productid	bigint
quantity	bigint
unitprice	double precision
currencyid	bigint

products

Column	Type
productid	bigint
name	text
description	text
category	text
price	double precision
supplierid	bigint
stockquantity	bigint

Expected Output

Column
category
productname
totalquantity
quantitydistribution

66. Cumulative Category Climb

Evaluate how each product stacks up in quantity sold within its category.

Xorthax wants to evaluate how each product compares in cumulative quantity sold. Write a query to calculate the cumulative distribution of product sales within each category.

Write Your Query