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提交日期 题目名称 提交代码
2025-01-31 分组与聚合函数(3)五花八门的项目,其实都有固定套路(1) 
select trx_amt,count(mch_nm) as trx_cnt from cmb_usr_trx_rcd
where mch_nm='红玫瑰按摩保健休闲' and date(trx_time) between '2024-01-01' and '2024-07-31'
group by trx_amt
order by count(mch_nm) desc
limit 5
2025-01-31 分组与聚合函数(2)擦边营收怎么样,聚合函数可看出 
select date(trx_time) trx_date ,max(trx_amt) max_trx_amt,min(trx_amt) min_trx_amt,avg(trx_amt) avg_trx_amt,sum(trx_amt) total_trx_amt from cmb_usr_trx_rcd
where year(trx_time)=2024 and month(trx_time)=9 and mch_nm='红玫瑰按摩保健休闲'
group by date(trx_time)
order by date(trx_time)
2025-01-27 条件过滤(3)Hour函数很给力,组合条件要仔细 
select * from cmb_usr_trx_rcd 
where usr_id='5201314520'
and date(trx_time) between '2024-09-01' and '2024-09-30'
and (hour(trx_time) between 22 and 23
or hour(trx_time) between 0 and 5)
order by trx_time
2025-01-27 条件过滤(2)半夜活动有猫腻,Hour函数给给力 
select * from cmb_usr_trx_rcd 
where usr_id='5201314520' and date(trx_time) between'2024-09-01' and '2024-09-30'
and hour(trx_time) between 1 and 5
order by trx_time
2025-01-27 条件过滤(2)半夜活动有猫腻,Hour函数给给力 
select * from cmb_usr_trx_rcd 
where usr_id='5201314520' and date(trx_time) between'2024-09-01' and '2024-09-30'
and hour(trx_time) between 1 and 6
order by trx_time
2025-01-27 分组与聚合函数(1)Money全都花在哪,GroupBy来查一查 
select mch_nm,sum(trx_amt) sum_trx_amt from cmb_usr_trx_rcd 
where usr_id='5201314520' and year(trx_time)='2024'
group by mch_nm
order by sum(trx_amt) desc
2025-01-27 分组与聚合函数(1)Money全都花在哪,GroupBy来查一查 
select mch_nm,sum(trx_amt) sum_trx_amt from cmb_usr_trx_rcd 
where usr_id='5201314520' and year(trx_time)='2024'
group by mch_nm
2025-01-27 条件过滤(1)异地男友有异常,数分闺蜜来帮忙 
select * from cmb_usr_trx_rcd
where usr_id='5201314520' and date(trx_time) between '2024-09-01' and '2024-09-30'
order by trx_time
2025-01-27 条件过滤(1)异地男友有异常,数分闺蜜来帮忙 
select * from cmb_usr_trx_rcd
where usr_id='5201314520' and trx_time between '2024-09-01' and '2024-09-30'
order by trx_time
2025-01-02 条件过滤(3)Hour函数很给力,组合条件要仔细 
select * from cmb_usr_trx_rcd 
where usr_id ='5201314520' and date(trx_time) between '2024-09-01' and '2024-09-30'
and (hour(trx_time) between 0 and 5 or hour(trx_time) between 22 and 23)
order by(trx_time)
2025-01-02 条件过滤(2)半夜活动有猫腻,Hour函数给给力 
select * from cmb_usr_trx_rcd
where usr_id ='5201314520' and date(trx_time) between '2024-09-01' and '2024-09-30' and hour(trx_time) between 1 and 5
order by(trx_time)
2025-01-02 渣男腰子可真行,端午中秋干不停 
select * from cmb_usr_trx_rcd 
where usr_id='5201314520' and date(trx_time) between '2024-06-08' and '2024-06-10'or usr_id='5201314520' and date(trx_time) between '2024-09-15' and '2024-09-17'
order by(trx_time)
2025-01-02 渣男腰子可真行,端午中秋干不停 
select * from cmb_usr_trx_rcd 
where usr_id='5201314520' and (date(trx_time) between '2024-06-08' and '2024-06-10'or date(trx_time) between '2024-09-15' and '2024-09-17')
order by(trx_time)
2025-01-02 渣男腰子可真行,端午中秋干不停 
select * from cmb_usr_trx_rcd 
where usr_id='5201314520' and date(trx_time) between '2024-06-08' and '2024-06-10'or date(trx_time) between '2024-09-15' and '2024-09-17'
order by(trx_time)
2025-01-02 特定歌曲的播放记录 
select * from listen_rcd
where song_id=13 and date(start_time) between '2023-12-10' and '2023-12-31'
order by start_time
2025-01-02 条件过滤(1)异地男友有异常,数分闺蜜来帮忙 
select * from cmb_usr_trx_rcd
where date(trx_time) between '2024-09-01' and '2024-09-30' and usr_id='5201314520'
order by trx_time
2025-01-02 条件过滤(1)异地男友有异常,数分闺蜜来帮忙 
select * from cmb_usr_trx_rcd
where date(trx_time) between '2024-09-01' and '2024-09-30' and usr_id='5201314520'
2025-01-02 条件过滤(1)异地男友有异常,数分闺蜜来帮忙 
select * from cmb_usr_trx_rcd
where usr_id='5201314520'and date(trx_time) between '2024-09-01' and '2024-09-30'
2025-01-02 条件过滤(1)异地男友有异常,数分闺蜜来帮忙 
select * from cmb_usr_trx_rcd
where usr_id='5201314520' and date(trx_time) between 2024-09-01 and 2024-09-30
2024-12-19 条件过滤(2)半夜活动有猫腻,Hour函数给给力 
select * from cmb_usr_trx_rcd
where date(trx_time) between '2024-09-01' and '2024-09-30' and hour(trx_time) between '1' and '5'
and usr_id='5201314520'
order by(trx_time)