HardAggregation

Repeat customers only

A repeat customer is one with 2 or more delivered orders. Return name + delivered order count for those, sorted desc.

#having
#repeat-buyer

Schema (SQLite, in-browser)

customers    (id, name, city, signup_date)
products     (id, name, category, price)
orders       (id, customer_id, order_date, status)
order_items  (order_id, product_id, quantity)

Sample input

10 customers

Expected shape

a small subset

sql-repeat-customers.sqlSQLite

Result

Press “Run query” to execute against the sample database.

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Repeat customers only — SQL Practice · Nettms Academy