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SQL Top 10 by Year
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SQL Top 10 by Year

EasySQL · PostgreSQL

Problem

Expand Energy wants an annual view of product performance in its procurement catalog. Write a PostgreSQL query to find the top 10 products by sales revenue for 2024.

Requirements

  1. Join products, orders, and order_items.
  2. Include only orders placed in 2024 with a completed status.
  3. Calculate sales as quantity * unit_price, aggregate revenue by product, and return the top 10 products.
  4. Sort by total sales descending, using product_id as a deterministic tie-breaker.

Schema

products
ColumnTypeDescription
product_idPKINTUnique product identifier
product_nameVARCHAR(100)Name of the product
orders
ColumnTypeDescription
order_idPKINTUnique order identifier
order_dateDATEDate the order was placed
statusVARCHAR(20)Order processing status
order_items
ColumnTypeDescription
order_idPKINTOrder containing the line item
product_idPKINTProduct sold on the line item
quantityINTNumber of units purchased
unit_priceNUMERIC(10,2)Price per unit at the time of sale
Tablesproductsordersorder_items
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CodePostgreSQL
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