What are the names of customers with a higher checking balance than savings balance?
SELECT T1.name FROM accounts AS T1 JOIN checking AS T2 ON T1.custid  =  T2.custid JOIN savings AS T3 ON T1.custid  =  T3.custid WHERE T2.balance  >  T3.balance
customers with a higher checking balance than savings balance refers to a comparison between checking and savings account balances; names of customers refers to SELECTing the customer's name.