这个MYSQL语句怎么查不出正确的结果?

Question

改一下
SELECT id,headline,date_added FROM ag_news WHERE cate_id IN ( 2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11 ) ORDER BY date_added DESC

Answer 1

SELECT id,headline,date_added FROM ag_news WHERE cate_id IN ('2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11 ) ORDER BY date_added DESC

Answer 2

SELECT id,headline,date_added FROM ag_news WHERE cate_id IN ('2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11 ) ORDER BY date_added DESC