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SQL Top Five Products
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SQL Top Five Products

MediumSQL · PostgreSQL

Problem

Write a SQL query to find the top five products by sales volume from a sales database.

Use the provided products and sales tables. Sales volume is the total quantity sold for each product. Include products with no matching sales when determining the ranking.

Output

  1. One row per product, with columns product_name and sales_volume.
  2. Return only the five products with the highest sales volume.
  3. Sort by sales_volume descending, breaking ties by product_id ascending.

Schema

products
ColumnTypeDescription
product_idPKINTUnique product identifier
product_nameVARCHAR(100)Product name
sales
ColumnTypeDescription
sale_idPKINTUnique sale identifier
product_idINTProduct referenced by the sale
quantityINTNumber of units sold
sold_atDATEDate of sale
Tablesproductssales
Interviewer

Your question is SQL Top Five Products. Start with the requirements and the two tables in the Question tab.

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