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提交日期 题目名称 提交代码
2026-07-15 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' and (hour(trx_time)>=22 or hour(trx_time)between 0 and 5)and usr_id='5201314520'
order by trx_time;
2026-07-15 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' and (hour(trx_time)>=22) or (hour(trx_time)between 0 and 5)and usr_id='5201314520'
order by trx_time;
2026-07-15 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'2024-09-31' and (hour(trx_time)>=22) or (hour(trx_time)between 0 and 5)and usr_id='5201314520'
order by trx_time;
2026-07-15 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'2024-09-31' and (hour(trx_time)>=22 or hour(trx_time)between 0 and 5)and usr_id='5201314520'
order by trx_time;
2026-07-15 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'2024-09-31' and (hour(trx_time)>=22 or hour(trx_time)between 0 and 5)and usr_id='5201314520'
order by trx_time
2026-07-15 条件过滤-查找1994年至1997年毕业的女教师  
select name,subject,class_code,graduate_date
from teachers
where gender='f' and graduate_date between '1994-01-01' and '1997-12-31'
order by graduate_dateASC;
2026-07-15 条件过滤-查找1994年至1997年毕业的女教师  
select name,subject,class_code,graduate_date
from teachers
where gender='f' and graduate_date between '1994' and '1997'
order by graduate_dateASC;
2026-07-15 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 between'01:00'and'05:00';
2026-07-15 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 usr_id=5201314520
order by trx_time between'01:00'and'05:00';
2026-07-15 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 '2024-09-01AND'AND'2024-09-30'AND usr_id='5201314520'
order by trx_time;
2026-07-15 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 limit 5;