After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Modify, delete
修改：update()，自增某一个字段inc()，自减dec()， 删除：delete()，软删除：useSoftDelete(()->delete()
2020-11-140个赞
Courses in the relevant section：Data tables, return values, sorting, paging, aggregation
$data = Db::table()->max('id');
2020-11-120个赞
Courses in the relevant section：Search and sort examples
$data = Db::table() ->max(); //查询最大的数
2020-11-120个赞
