Customers Exceeding Their Plan

Return customers whose usage exceeds the included minutes of their plan, with usage and included minutes. Order by customer.

Table schema

Calls(id INT PRIMARY KEY, customer VARCHAR(10), minutes INT, call_date DATE)
Plans(customer VARCHAR(10) PRIMARY KEY, included_minutes INT)

Sample data

Calls
id | customer | minutes | call_date
1 | Ann | 30 | 2026-04-01
2 | Ann | 50 | 2026-04-02
3 | Bob | 20 | 2026-04-01
4 | Cy | 70 | 2026-04-03
5 | Cy | 45 | 2026-04-04
6 | Bob | 15 | 2026-04-05

Plans
customer | included_minutes
Ann | 100
Bob | 30
Cy | 100