SELECT DISTINCT product_name FROM product ORDER BY product_id
SELECT DISTINCT product_name FROM product ORDER BY product_id <table_name> : Product col : product_id | product_name | product_details row 1 : 1 | rose | k row 2 : 2 | yellow | q row 3 : 3 | chat | e row 4 : 4 | wechat | r row 5 : 5 | life | q row 6 : 6 | keep | d row 7 : 7 | messager | m row 8 : 8 | hangout | u row 9 : 9 | twitter | z row 10 : 10 | blog | d row 11 : 11 | snapchat | e row 12 : 12 | doulingo | q row 13 : 13 | learn | h row 14 : 14 | teach | n row 15 : 15 | game | j
col : product_name row 1 : rose row 2 : yellow row 3 : chat row 4 : wechat row 5 : life row 6 : keep row 7 : messager row 8 : hangout row 9 : twitter row 10 : blog row 11 : snapchat row 12 : doulingo row 13 : learn row 14 : teach row 15 : game