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Top Customers SQL Query Duplicate
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Top Customers SQL Query Duplicate

EasySQL · PostgreSQL

Problem

Write a SQL query to find the top 5 customers by revenue this month.

Use the customers and orders tables. Revenue includes only completed orders dated within the current calendar month. Exclude cancelled orders and orders without a matching customer.

Output

  1. One row per customer with columns customer_id, customer_name, and total_revenue
  2. Return at most five customers, ordered by total_revenue descending, then customer_id ascending for ties

Schema

customers
ColumnTypeDescription
customer_idPKINTUnique customer identifier
customer_nameVARCHAR(100)Customer display name
orders
ColumnTypeDescription
order_idPKINTUnique order identifier
customer_idINTCustomer associated with the order
order_dateDATEDate the order was placed
order_totalDECIMAL(12,2)Revenue amount for the order
statusVARCHAR(20)Order status
Tablescustomersorders
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Your question is Top Customers SQL Query Duplicate. Start with the requirements and the two tables in the Question tab.

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