Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE INVESTORS ( Investor_details VARCHAR, investor_id VARCHAR )
TABLE: CREATE TABLE TRANSACTIONS ( investor_id VARCHAR, transaction_type_code VARCHAR )

### Question ###
Show the ids and details of the investors who have at least two transactions with type code 'SALE'.

### Accurate SQL ###

SELECT T2.investor_id, T1.Investor_details FROM INVESTORS AS T1 JOIN TRANSACTIONS AS T2 ON T1.investor_id = T2.investor_id WHERE T2.transaction_type_code = "SALE" GROUP BY T2.investor_id HAVING COUNT(*) >= 2