CREATE TABLE Accounts (customer_id VARCHAR(255)); CREATE TABLE Customers (customer_first_name VARCHAR(255), customer_last_name VARCHAR(255), customer_id VARCHAR(255))
Show distinct first and last names for all customers with an account.
    
SQL: SELECT DISTINCT T1.customer_first_name, T1.customer_last_name FROM Customers AS T1 JOIN Accounts AS T2 ON T1.customer_id = T2.customer_id