All SQL problems
EasyGROUP BY
Count customers per city
How many customers do we have in each city?
- #count
- #group-by
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 across 4 cities
Expected shape
4 rows
sql-count.sqlSQLite
Result
Press “Run query” to execute against the sample database.
