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过去一年提交了

勋章 ①金银铜：在竞赛中获得第一二三名；②好习惯：自然月10天提交；③里程碑：解决1/2/5/10/20/50/100/200题；④每周打卡挑战：完成每周5题，每年1月1日清零。

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提交记录

提交日期 题目名称 提交代码
2026-01-21 输出地区为北京的所有银行  
select * from stock_info
where area = '北京' and industry = '银行' 
order by list_date asc
;
2026-01-21 1989年12月13日出生的女歌手  
select * from singer_info
where birth_date = '1989-12-13'
;
2026-01-21 找出所有港台歌手  
select * from singer_info
where type2 = '港台'
order by singer_id
;
2026-01-21 找出所有港台歌手  
select * from singer_info
where type2 = '港台' and type3 = '个人'
order by singer_id
;
2026-01-21 找出所有港台乐队  
select * from singer_info 
where type2 = '港台' and type3='乐队'
order by singer_id asc
;
2026-01-21 大于J小于K的手牌  
select * 
from hand_permutations
where (card1 between 'J' and 'K') and (card2 between 'J' and 'K')
order by id asc
;
2026-01-21 语文数学英语至少1门超过100分的同学  
select * 
from subject_score
where (chinese > 100) or (math > 100) or (english > 100)
order by chinese asc
;
2026-01-21 语文数学英语至少1门超过100分的同学  
select * 
from subject_score
where (chinese >= 100) or (math >= 100) or (english >= 100)
order by chinese asc
;
2026-01-21 性别已知的听歌用户  
select * 
from qqmusic_user_info 
where gender in ('f', 'm') and year(birth_date) = 1980
order by birth_date asc
;
2026-01-21 2000年以前出生的男歌手  
select * 
from singer_info
where (year(birth_date) < 2000) and gender = 'm'
;
2026-01-21 21世纪上市的银行  
select * 
from stock_info
where (year(list_date) between 2000 and 2099) and industry = "银行"
order by list_date asc
;
2026-01-21 21世纪上市的银行  
select * 
from stock_info
where year(list_date) between 2000 and 2099
order by list_date asc
;
2026-01-20 输出特定日期上市的银行  
select * 
from stock_info 
where (date(list_date) between '2006-06-01' and '2006-09-01') and industry = '银行'
order by ts_code
;
2026-01-20 输出特定日期上市的银行  
select * 
from stock_info 
where date(list_date) between '2006-06-01' and '2006-09-01'
order by ts_code
;
2026-01-20 输出特定日期上市的银行  
select * 
from stock_info 
where list_date between '2006-06-01' and '2006-09-01'
order by ts_code
;
2026-01-20 A和K之间的手牌（3）  
select * 
from hand_permutations 
where (card1 BETWEEN 'A' and 'K') and (card2 BETWEEN 'A' and 'K')
order by id
;
2026-01-20 A和K之间的手牌（2）  
select * 
from hand_permutations 
where (card1 between "A" and "K") or (card2 between "A" and "K")
order by id
;
2026-01-20 A和K之间的手牌（1）  
select * 
from hand_permutations 
where card1 between "A" and "K"
order by id
;
2026-01-20 交易金额在5000至10000（含边界）的所有交易  
select * 
from cmb_usr_trx_rcd 
where trx_amt between 5000 and 10000
order by trx_amt desc
limit 5;
2026-01-20 交易金额大于10000元的所有交易  
select * 
from cmb_usr_trx_rcd 
where trx_amt > 100000
order by trx_amt desc 
;