MySQL 16篇 orderBy 10篇 groupBy 8篇 where 5篇 sum 4篇 update 2篇 avg 2篇 and 2篇 limit 2篇 join 2篇 set 2篇 in 2篇 date_format 2篇 values 1篇 replace 1篇 insert 1篇 over 1篇 having 1篇 offset 1篇 like 1篇 max 1篇 index 1篇 concat 1篇 round 1篇 force 1篇