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提交日期 题目名称 提交代码
2026-01-18 国庆假期后第一天涨幅高于1%的股票  
select ts_code, open_price, close_price 
from daily_stock_prices
where trade_date = '2023-10-09' AND pct_change > 1;
2026-01-18 国庆假期后第一天涨幅高于1%的股票  
select ts_code, open_price, close_price 
from daily_stock_prices
where trade_date = '2023-10-09' and price_change >1
2026-01-18 国庆假期后第一天涨幅高于1%的股票  
select ts_code, open_price, close_price 
from daily_stock_prices
where trade_date >= '2023-10-09' and price_change >1
2026-01-18 德州扑克起手牌-最强起手牌KK+  
select * from hand_permutations
 where (card1 like 'A%' or card1 like 'K%')
 	and (card2 like 'A%' or card2 like 'K%')
2026-01-17 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(1) as trx_cnt
from cmb_usr_trx_rcd 
where
	mch_nm='红玫瑰按摩保健休闲'
and year(trx_time)='2024'
and month(trx_time) in (1,2,3,4,5,6,7)
 group by
 	trx_amt
 order by
 	trx_cnt desc
 limit 5
2026-01-17 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) astrx_date,
max(trx_amt) as max_trx_amt,
min(trx_amt) as min_trx_amt,
avg(trx_amt) as avg_trx_amt,
sum(trx_amt) as total_trx_amt
from cmb_usr_trx_rcd
where
	mch_nm = '红玫瑰按摩保健休闲'
and date(trx_time) between '2024-09-1' and '2024-09-30'
group by
	date(trx_time)
order by
	trx_date
2026-01-17 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) as 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
2026-01-17 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 date(trx_time) between '2024-09-01' and '2024-09-30'
andusr_id = '5201314520'
and hour(trx_time) in (22,23,0,1,2,3,4,5)
order by trx_time
2026-01-17 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'
andusr_id = '5201314520'
and hour(trx_time) between 1 and 5
order by trx_time
2026-01-17 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'
andusr_id = '5201314520'
order by trx_time
2026-01-17 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 '2014-09-01' and '2024-09-30'
order by trx_time
2026-01-17 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 '2014-09-01' and '2024-09-30'
2026-01-17 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 '2014-09-01' and '2024-09-30'
2026-01-17 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 '2014-09-01' and '2024-09-30'
2026-01-17 总分超过300分的学生  
select student_id from subject_score where chinese+math+english >= 300
2026-01-17 国庆假期后第一天涨幅高于1%的股票  
select ts_code, open_price, close_price from daily_stock_prices 
where trade_date='2023-10-09'
and pct_change > 1
2026-01-17 国庆假期后第一天涨幅高于1%的股票  
select ts_code, open_price, close_price from daily_stock_prices 
where trade_date>'2023-10-01'
and pct_change > 1
2026-01-17 国庆假期后第一天涨幅高于1%的股票  
select * from daily_stock_prices 
where trade_date>'2023-10-01'
and open_price/close_price >1
2026-01-17 特定渠道的中档单价用户  
select * from apple_pchs_rcd 
where product_price >= 3000 and order_channel='官网' and payment_method='Apple pay'
order by order_id
2026-01-17 文科潜力股  
select * from scores 
where exam_date='2024-06-30'
and (subject='历史' or subject='政治' or subject='地理')
and score >= 90