SELECT DISTINCT form_type_code FROM forms
SELECT DISTINCT form_type_code FROM forms <table_name> : Forms col : form_id | form_type_code | service_id | form_number | form_name | form_description row 1 : 1 | Basic | 13 | 8069 | SSN Application | Form for SSN Application row 2 : 2 | Complex | 9 | 2675 | Marriage Certificate | Marriage Certificate row 3 : 3 | Complex | 2 | 9837 | Divorce  Certificate | Divorce  Certificate row 4 : 4 | Complex | 14 | 9173 | Moving Form | Form for moving house row 5 : 5 | Basic | 3 | 6673 | Account Application | Form for Account Application row 6 : 6 | Complex | 7 | 9130 | Property Change | Form for Property Change
col : form_type_code row 1 : Basic row 2 : Complex