human
Schema:
accounts (custid, name)
savings (custid, balance)
checking (custid, balance)
Please answer with SQL.
assistant
Sure, I understand.
human
What is the average savings account balance?
assistant
SELECT AVG ( balance ) FROM savings;
human
Which accounts with checking accounts have savings account balances higher than the average savings balance?
assistant
SELECT T1.name FROM accounts AS T1 JOIN checking AS T2 ON T1.custid = T2.custid WHERE T1.name IN ( SELECT T1.name FROM accounts AS T1 JOIN savings AS T2 ON T1.custid = T2.custid WHERE T2.balance > ( SELECT AVG ( balance ) FROM savings ) ) ;