SELECT T2.investor_id FROM INVESTORS AS T1 JOIN TRANSACTIONS AS T2 ON T1.investor_id  =  T2.investor_id GROUP BY T2.investor_id HAVING COUNT(*)  >=  2
Show the ids of the investors who have at least two transactions.
SELECT T2.investor_id FROM INVESTORS AS T1 JOIN TRANSACTIONS AS T2 ON T1.investor_id = T2.investor_id GROUP BY T2.investor_id HAVING COUNT ( * ) > = 2
select t2 . investor_id from investors as t1 join transactions as t2 on t1 . investor_id = t2 . investor_id group by t2 . investor_id having count ( * ) > = value
Show the ids of the investors who have at least two transactions .