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Top 2 Sold Products by Year (SQL)
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Top 2 Sold Products by Year (SQL)

MediumSQL · PostgreSQL

Problem

Top 2 sold products in each year provided data - SQL

Asked in the Round 2 technical stage, conducted in-office with the interviewer online. Write a SQL query using the provided product and sales data.

Output

  1. Return one row per product included in the top two for each year.
  2. Include sales_year, product_id, product_name, total_units_sold, and sales_rank.
  3. Rank products by total units sold in descending order. Break ties by product_id ascending.
  4. Sort by sales_year ascending, then sales_rank ascending.

Schema

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

Your question is Top 2 Sold Products by Year (SQL). Start with the requirements and the two tables in the Question tab.

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