CREATE TABLE customers (first_name VARCHAR(255), last_name VARCHAR(255), id VARCHAR(255)); CREATE TABLE invoices (customer_id VARCHAR(255), invoice_date VARCHAR(255))
Find out 5 customers who most recently purchased something. List customers' first and last name.
    
SQL: SELECT T1.first_name, T1.last_name FROM customers AS T1 JOIN invoices AS T2 ON T2.customer_id = T1.id ORDER BY T2.invoice_date DESC LIMIT 5