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 INVOICES (payment_method_code VARCHAR)

### Question ###
What are the distinct payment method codes in all the invoices?

### Accurate SQL ###

SELECT DISTINCT payment_method_code FROM INVOICES