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 Ref_template_types (template_type_code VARCHAR, template_type_description VARCHAR)

### Question ###
Show all template type codes and descriptions.

### Accurate SQL ###

SELECT template_type_code, template_type_description FROM Ref_template_types