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 product ( product_name VARCHAR )

### Question ###
List the names of all the distinct product names in alphabetical order?

### Accurate SQL ###

SELECT DISTINCT product_name FROM product ORDER BY product_name