1、查询单条最新的记录
select * from table order by create_time limit 1;
2、查询多条的最新记录
单表查询:
select type, max(create_time) from table
group by type
多表查询:
select t1.*, t2.create_time, t2.type from (
select type, max(create_time)
from table
group by type) t1
left join table2 t2 on t1.id = t1.id
------ 新手随笔,如有错误欢迎指出;有更好的方法也欢迎大家评论区留言,感谢大佬