Question: Show the account id and name with at least 4 transactions.
Schema: create table financial_transactions (account_id varchar, PRIMARY KEY (account_id)); create table accounts (account_name varchar, account_id varchar, PRIMARY KEY (account_name))
SQL: select t1.account_id, t2.account_name from financial_transactions as t1 join accounts as t2 on t1.account_id = t2.account_id group by t1.account_id having count(*) >= 4