日期:2014-05-18  浏览次数:20610 次

如何用SQL语句找出柜员未签到的日期 不使用游标
/*
Desc: 如何找出柜员未签到的日期
*/

--建表和实例数据语句
--柜员签到日期表
CREATE TABLE tb_clerkonwork (id char (4) ,tr_date char (8)) 
GO

insert into tb_clerkonwork values ('1011','20070101')
insert into tb_clerkonwork values ('1011','20070102')
insert into tb_clerkonwork values ('1011','20070105')
insert into tb_clerkonwork values ('1011','20070106')
insert into tb_clerkonwork values ('1012','20070101')
insert into tb_clerkonwork values ('1012','20070103')
insert into tb_clerkonwork values ('1012','20070104')
insert into tb_clerkonwork values ('1012','20070106')
insert into tb_clerkonwork values ('1013','20070105')
insert into tb_clerkonwork values ('1013','20070106')
insert into tb_clerkonwork values ('1013','20070107')
GO

--交易日期表
CREATE TABLE tb_trdate (tr_date char (8)) 
GO

insert into tb_trdate values ('20070101')
insert into tb_trdate values ('20070102')
insert into tb_trdate values ('20070103')
insert into tb_trdate values ('20070104')
insert into tb_trdate values ('20070105')
insert into tb_trdate values ('20070106')
insert into tb_trdate values ('20070107')
GO

--要求的结果为
/*
1011 20070103
1011 20070104
1011 20070107
1012 20070102
1012 20070105
1012 20070107
1013 20070101
1013 20070102
1013 20070103
1013 20070104
*/


------解决方案--------------------
SQL code
--建表和实例数据语句 
--柜员签到日期表 
CREATE TABLE tb_clerkonwork (id char (4) ,tr_date char (8)) 
GO 
insert into tb_clerkonwork values ('1011','20070101') 
insert into tb_clerkonwork values ('1011','20070102') 
insert into tb_clerkonwork values ('1011','20070105') 
insert into tb_clerkonwork values ('1011','20070106') 
insert into tb_clerkonwork values ('1012','20070101') 
insert into tb_clerkonwork values ('1012','20070103') 
insert into tb_clerkonwork values ('1012','20070104') 
insert into tb_clerkonwork values ('1012','20070106') 
insert into tb_clerkonwork values ('1013','20070105') 
insert into tb_clerkonwork values ('1013','20070106') 
insert into tb_clerkonwork values ('1013','20070107') 
GO 
--交易日期表 
CREATE TABLE tb_trdate (tr_date char (8)) 
GO 
insert into tb_trdate values ('20070101') 
insert into tb_trdate values ('20070102') 
insert into tb_trdate values ('20070103') 
insert into tb_trdate values ('20070104') 
insert into tb_trdate values ('20070105') 
insert into tb_trdate values ('20070106') 
insert into tb_trdate values ('20070107') 
GO 

select distinct a.id , b.tr_date from tb_clerkonwork a, tb_trdate b where not exists (select 1 from tb_clerkonwork where id = a.id and tr_date = b.tr_date) order by a.id , b.tr_date

--drop table tb_clerkonwork,tb_trdate

/*
id   tr_date  
---- -------- 
1011 20070103
1011 20070104
1011 20070107
1012 20070102
1012 20070105
1012 20070107
1013 20070101
1013 20070102
1013 20070103
1013 20070104

(所影响的行数为 10 行)
*/

------解决方案--------------------
SQL code

select tr_date,id from tb_trdate t1,(select id from tb_clerkonwork group by id) t2
EXCEPT
select tr_date,id from tb_clerkonwork