mysql性能限制X或限制0，X

Question

从以下哪个更好

select * , 98 as match_score from table_name order by match_score desc  limit Y

或

select *, 98 as match_score  from table_name  order by match_score desc limit 0,Y

Answer 1

LIMIT Y是LIMIT 0,Y的缩写，所以我没有看到任何获得性能的空间。