mysql 练习 exercise 4：meicaiwang 司机

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create database meicaiwang;
use meicaiwang;

create table driver_daily(
driver_id varchar(10),
driver_name varchar(10),
city_id varchar(10),
city_name varchar(10),
ordre_id varchar(10),
d_year int,
d_month int,
d_day int
);

insert into driver_daily values
('111','王**','32','厦门市','12233',2017,7,1),
('111','王**','32','厦门市','12234',2017,7,1),
('111','王**','32','厦门市','12235',2017,7,1),
('111','王**','32','厦门市','12236',2017,7,1),
('111','王**','32','厦门市','12237',2017,7,1),
('111','王**','32','厦门市','12238',2017,7,1),
('111','王**','32','厦门市','12239',2017,7,1),
('111','王**','32','厦门市','12240',2017,7,1),
('111','王**','32','厦门市','12241',2017,7,1),
('111','王**','32','厦门市','12242',2017,7,1),
('111','王**','32','厦门市','12243',2017,7,1),
('111','王**','32','厦门市','12244',2017,7,1),
('111','王**','32','厦门市','12245',2017,7,1),
('111','王**','32','厦门市','12246',2017,7,1),
('111','王**','32','厦门市','12247',2017,7,1),
('111','王**','32','厦门市','12248',2017,7,1),
('111','王**','32','厦门市','12249',2017,7,1),
('111','王**','32','厦门市','12250',2017,7,1),
('111','王**','32','厦门市','12251',2017,7,1),
('111','王**','32','厦门市','12252',2017,7,1),
('202','林**','32','厦门市','32234',2017,7,1),
('202','林**','32','厦门市','32235',2017,7,1),
('202','林**','32','厦门市','32236',2017,7,2),
('202','林**','32','厦门市','32237',2017,7,2),
('202','林**','32','厦门市','32238',2017,7,3),
('202','林**','32','厦门市','32239',2017,7,3),
('202','林**','32','厦门市','32240',2017,7,4),
('202','林**','32','厦门市','32241',2017,7,4),
('202','林**','32','厦门市','32242',2017,7,5),
('202','林**','32','厦门市','32243',2017,7,5),
('202','林**','32','厦门市','32244',2017,7,6),
('202','林**','32','厦门市','32245',2017,7,6),
('202','林**','32','厦门市','32246',2017,7,7),
('202','林**','32','厦门市','32247',2017,7,7),
('202','林**','32','厦门市','32248',2017,7,7),
('202','林**','32','厦门市','32249',2017,7,8),
('202','林**','32','厦门市','32250',2017,7,8),
('202','林**','32','厦门市','32251',2017,7,8),
('202','林**','32','厦门市','32252',2017,7,9),
('202','林**','32','厦门市','32253',2017,7,9),
('202','林**','32','厦门市','32254',2017,7,10),
('202','林**','32','厦门市','32255',2017,7,11);

create table driver_info(
driver_id varchar(10),
driver_name varchar(10),
driver_phone varchar(20)
);

insert into driver_info values('110','王**','159****4134'),
                              ('111','林**','159****7134'),
                              ('222','张**','159****8134');
                              
create table driver_collect(
driver_id varchar(10),
order_id varchar(10),
d_year int,
d_month int,
d_day int
);

insert into driver_collect values('111','111',2017,7,1),
                                 ('222','112',2017,7,1),
                                 ('222','113',2017,7,2),
                                 ('222','114',2017,7,3),
                                 ('222','115',2017,7,4),
                                 ('222','116',2017,7,5),
                                 ('222','117',2017,7,6),
                                 ('222','118',2017,7,7),
                                 ('222','119',2017,7,8),
                                 ('222','120',2017,7,9),
                                 ('222','121',2017,7,10),
                                 ('222','122',2017,7,11),
                                 ('222','123',2017,7,12),
                                 ('222','124',2017,7,13),
                                 ('222','125',2017,7,14),
                                 ('222','126',2017,7,15),
                                 ('222','127',2017,7,16),
                                 ('222','128',2017,7,17),
                                 ('222','129',2017,7,18),
                                 ('222','130',2017,7,19),
                                 ('222','131',2017,7,20),
                                 ('222','132',2017,7,21),
                                 ('222','133',2017,7,22),
                                 ('222','134',2017,7,23),
                                 ('222','135',2017,7,24),
                                 ('222','136',2017,7,25),
                                 ('222','137',2017,7,26),
                                 ('222','138',2017,7,27),
                                 ('222','139',2017,7,28),
                                 ('222','140',2017,7,29),
                                 ('222','141',2017,7,30),
                                 ('222','142',2017,7,31),
                                 ('222','143',2017,9,31);
                                 

select * from driver_daily;
select * from driver_info;
select * from driver_collect;

-- 2017年7月1日-2017年7月31日，有过10天以上的完单并且总完单量在20单以上的司机id，司机姓名，司机完单天数、司机完单数
select driver_id ,
driver_name,
count(distinct d_day) as 司机完单天数,
count(distinct ordre_id) as 司机完单数
from driver_daily
where (d_year,d_month)=(2017,7) and count(distinct d_day)>10 and count(distinct ordre_id)>20;-- 报错 Invalid use of grounp function,where 不能用聚合函数，having+ 聚合函数

select driver_id ,
driver_name,
count(distinct d_day) as 司机完单天数,
count(distinct ordre_id) as 司机完单数
from driver_daily
where (d_year,d_month)=(2017,7) 
group by driver_id,driver_name
having count(distinct d_day)>10 and count(distinct ordre_id)>20;

#老师答案  
select 
    driver_id,
    driver_name,
    count(distinct d_day) as 完单天数,
    count(distinct ordre_id) as 完单总数
from driver_daily
where d_year=2017 and d_month=7
group by driver_id,driver_name
having count(distinct d_day)>10 and count(distinct ordre_id)>20;

-- 根据司机信息表(driver_info)和司机汇总表(driver_collect)取出近2017.07.01-2017.07.31完单大于30单的司机姓名和电话
select 
driver_name,
driver_phone
from driver_collect
left join driver_info
on driver_info.driver_id=driver_collect.driver_id
where(d_year,d_month)=(2017,7)
group by driver_name,driver_phone-- 根据题目要求应该以司机姓名和电话进行分组
having count(distinct order_id)>30;

#老师答案
select driver_name,driver_phone 
from driver_collect
left join driver_info
on driver_info.driver_id=driver_collect.driver_id
where d_year=2017 and d_month=7
group by driver_collect.driver_id,driver_name,driver_phone
having count(distinct order_id)>30;

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