SELECT (PATRONIZER_INFO.INJION_YEARS & '年')AS ID, Count(PATRONIZER_INFO.PATRONIZER_ID) as SUM_COUNT,
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM [select * from PATRONIZER_INFO where START_DAY<='20080329' And END_DAY>='20080329' AND DELETE_FLAG =0 ]. AS PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
GROUP BY PATRONIZER_INFO.INJION_YEARS
要求以年排序,可是怎末计算PATRONIZER_INFO.PATRONIZER_ID 的数量啊? 主表是PATRONIZER_INFO 它和表SUPPORT_MONEY_INFO一对多关系。我要计算PATRONIZER_INFO.PATRONIZER_ID 的数量和SUPPORT_MONEY_INFO.STUDENT_ID 的数量并一PATRONIZER_INFO.STUDENT_ID.INJION_YEARS 排序。以上是我的SQL 只有第一个计算错误,其余正常。因为又重复数据不知道怎末办?求大侠闷帮忙
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM [select * from PATRONIZER_INFO where START_DAY <='20080329' And END_DAY>='20080329' AND DELETE_FLAG =0 ] AS PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
GROUP BY PATRONIZER_INFO.INJION_YEARS
(爱新觉罗.毓华 2007-10-23于浙江杭州)
/*
数据如下:
name val memo
a 2 a2(a的第二个值)
a 1 a1--a的第一个值
a 3 a3:a的第三个值
b 1 b1--b的第一个值
b 3 b3:b的第三个值
b 2 b2b2b2b2
b 4 b4b4
b 5 b5b5b5b5b5
*/
--创建表并插入数据:
create table tb(name varchar(10),val int,memo varchar(20))
insert into tb values('a', 2, 'a2(a的第二个值)')
insert into tb values('a', 1, 'a1--a的第一个值')
insert into tb values('a', 3, 'a3:a的第三个值')
insert into tb values('b', 1, 'b1--b的第一个值')
insert into tb values('b', 3, 'b3:b的第三个值')
insert into tb values('b', 2, 'b2b2b2b2')
insert into tb values('b', 4, 'b4b4')
insert into tb values('b', 5, 'b5b5b5b5b5')
go--一、按name分组取val最大的值所在行的数据。
--方法1:
select a.* from tb a where val = (select max(val) from tb where name = a.name) order by a.name
--方法2:
select a.* from tb a where not exists(select 1 from tb where name = a.name and val > a.val)
--方法3:
select a.* from tb a,(select name,max(val) val from tb group by name) b where a.name = b.name and a.val = b.val order by a.name
--方法4:
select a.* from tb a inner join (select name , max(val) val from tb group by name) b on a.name = b.name and a.val = b.val order by a.name
--方法5
select a.* from tb a where 1 > (select count(*) from tb where name = a.name and val > a.val ) order by a.name
/*
name val memo
---------- ----------- --------------------
a 3 a3:a的第三个值
b 5 b5b5b5b5b5
*/--二、按name分组取val最小的值所在行的数据。
--方法1:
select a.* from tb a where val = (select min(val) from tb where name = a.name) order by a.name
--方法2:
select a.* from tb a where not exists(select 1 from tb where name = a.name and val < a.val)
--方法3:
select a.* from tb a,(select name,min(val) val from tb group by name) b where a.name = b.name and a.val = b.val order by a.name
--方法4:
select a.* from tb a inner join (select name , min(val) val from tb group by name) b on a.name = b.name and a.val = b.val order by a.name
--方法5
select a.* from tb a where 1 > (select count(*) from tb where name = a.name and val < a.val) order by a.name
/*
name val memo
---------- ----------- --------------------
a 1 a1--a的第一个值
b 1 b1--b的第一个值
*/--三、按name分组取第一次出现的行所在的数据。
select a.* from tb a where val = (select top 1 val from tb where name = a.name) order by a.name
/*
name val memo
---------- ----------- --------------------
a 2 a2(a的第二个值)
b 1 b1--b的第一个值
*/--四、按name分组随机取一条数据。
select a.* from tb a where val = (select top 1 val from tb where name = a.name order by newid()) order by a.name
/*
name val memo
---------- ----------- --------------------
a 1 a1--a的第一个值
b 5 b5b5b5b5b5
*/--五、按name分组取最小的两个(N个)val
select a.* from tb a where 2 > (select count(*) from tb where name = a.name and val < a.val ) order by a.name,a.val
select a.* from tb a where val in (select top 2 val from tb where name=a.name order by val) order by a.name,a.val
select a.* from tb a where exists (select count(*) from tb where name = a.name and val < a.val having Count(*) < 2) order by a.name
/*
name val memo
---------- ----------- --------------------
a 1 a1--a的第一个值
a 2 a2(a的第二个值)
b 1 b1--b的第一个值
b 2 b2b2b2b2
*/--六、按name分组取最大的两个(N个)val
select a.* from tb a where 2 > (select count(*) from tb where name = a.name and val > a.val ) order by a.name,a.val
select a.* from tb a where val in (select top 2 val from tb where name=a.name order by val desc) order by a.name,a.val
select a.* from tb a where exists (select count(*) from tb where name = a.name and val > a.val having Count(*) < 2) order by a.name
/*
name val memo
---------- ----------- --------------------
a 2 a2(a的第二个值)
a 3 a3:a的第三个值
b 4 b4b4
b 5 b5b5b5b5b5
*/
--七,如果整行数据有重复,所有的列都相同。
/*
数据如下:
name val memo
a 2 a2(a的第二个值)
a 1 a1--a的第一个值
a 1 a1--a的第一个值
a 3 a3:a的第三个值
a 3 a3:a的第三个值
b 1 b1--b的第一个值
b 3 b3:b的第三个值
b 2 b2b2b2b2
b 4 b4b4
b 5 b5b5b5b5b5
*/
--在sql server 2000中只能用一个临时表来解决,生成一个自增列,先对val取最大或最小,然后再通过自增列来取数据。
--创建表并插入数据:
create table tb(name varchar(10),val int,memo varchar(20))
insert into tb values('a', 2, 'a2(a的第二个值)')
insert into tb values('a', 1, 'a1--a的第一个值')
insert into tb values('a', 1, 'a1--a的第一个值')
insert into tb values('a', 3, 'a3:a的第三个值')
insert into tb values('a', 3, 'a3:a的第三个值')
insert into tb values('b', 1, 'b1--b的第一个值')
insert into tb values('b', 3, 'b3:b的第三个值')
insert into tb values('b', 2, 'b2b2b2b2')
insert into tb values('b', 4, 'b4b4')
insert into tb values('b', 5, 'b5b5b5b5b5')
goselect * , px = identity(int,1,1) into tmp from tbselect m.name,m.val,m.memo from
(
select t.* from tmp t where val = (select min(val) from tmp where name = t.name)
) m where px = (select min(px) from
(
select t.* from tmp t where val = (select min(val) from tmp where name = t.name)
) n where n.name = m.name)drop table tb,tmp/*
name val memo
---------- ----------- --------------------
a 1 a1--a的第一个值
b 1 b1--b的第一个值(2 行受影响)
*/
--在sql server 2005中可以使用row_number函数,不需要使用临时表。
--创建表并插入数据:
create table tb(name varchar(10),val int,memo varchar(20))
insert into tb values('a', 2, 'a2(a的第二个值)')
insert into tb values('a', 1, 'a1--a的第一个值')
insert into tb values('a', 1, 'a1--a的第一个值')
insert into tb values('a', 3, 'a3:a的第三个值')
insert into tb values('a', 3, 'a3:a的第三个值')
insert into tb values('b', 1, 'b1--b的第一个值')
insert into tb values('b', 3, 'b3:b的第三个值')
insert into tb values('b', 2, 'b2b2b2b2')
insert into tb values('b', 4, 'b4b4')
insert into tb values('b', 5, 'b5b5b5b5b5')
goselect m.name,m.val,m.memo from
(
select * , px = row_number() over(order by name , val) from tb
) m where px = (select min(px) from
(
select * , px = row_number() over(order by name , val) from tb
) n where n.name = m.name)drop table tb/*
name val memo
---------- ----------- --------------------
a 1 a1--a的第一个值
b 1 b1--b的第一个值(2 行受影响)
*/
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
where PATRONIZER_INFO.START_DAY <='20080329' And PATRONIZER_INFO.END_DAY>='20080329' AND PATRONIZER_INFO.DELETE_FLAG =0
GROUP BY PATRONIZER_INFO.INJION_YEARS
--try:SELECT
(a.INJION_YEARS+'年')AS ID,
Count(a.PATRONIZER_ID) as SUM_COUNT,
b.STUDENT_COUNT,
b.AMOUT
FROM
[select * from PATRONIZER_INFO where START_DAY <='20080329' And END_DAY>='20080329' AND DELETE_FLAG =0]a
INNER JOIN
(select PATRONIZER_ID,count(*)STUDENT_COUNT,Sum(b.AMOUNT)AMOUT from SUPPORT_MONEY_INFO)b
ON a.PATRONIZER_ID=b.PATRONIZER_ID
GROUP BY a.INJION_YEARS
--掉了:
SELECT
(a.INJION_YEARS+'年')AS ID,
Count(a.PATRONIZER_ID) as SUM_COUNT,
b.STUDENT_COUNT,
b.AMOUT
FROM
[select * from PATRONIZER_INFO where START_DAY <='20080329' And END_DAY>='20080329' AND DELETE_FLAG =0]a
INNER JOIN
(select PATRONIZER_ID,count(*)STUDENT_COUNT,Sum(b.AMOUNT)AMOUT from SUPPORT_MONEY_INFO
group by PATRONIZER_ID)b
ON a.PATRONIZER_ID=b.PATRONIZER_ID
GROUP BY a.INJION_YEARS
PATRONIZER_ID , START_DAY, END_DAY ,DELETE_FLAG,INJION_YEARS
表 SUPPORT_MONEY_INFO
PATRONIZER_ID ,STUDENT_ID ,AMOUNT
比如 a 有数据
f1 2001/08/07 2008/03/28 0 1
f2 2001/08/07 2008/03/28 0 2
b
f1 F1 100
f1 F2 200
f2 F3 200
我要 计算 PATRONIZER_ID的个数 STUDENT_ID的个数 AMOUNT的合计
以以下排序
1 1 2 300
2 1 1 200
SELECT (PATRONIZER_INFO.INJION_YEARS + '年')AS ID, Count(PATRONIZER_INFO.PATRONIZER_ID) as SUM_COUNT,
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
where PATRONIZER_INFO.START_DAY <='20080329' And PATRONIZER_INFO.END_DAY>='20080329' AND PATRONIZER_INFO.DELETE_FLAG =0
GROUP BY PATRONIZER_INFO.INJION_YEARS
我是 access数据库
那么:
SELECT (convert(varchar,PATRONIZER_INFO.INJION_YEARS) + '年')AS ID, Count(PATRONIZER_INFO.PATRONIZER_ID) as SUM_COUNT,
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
where PATRONIZER_INFO.START_DAY <='20080329' And PATRONIZER_INFO.END_DAY>='20080329' AND PATRONIZER_INFO.DELETE_FLAG =0
GROUP BY PATRONIZER_INFO.INJION_YEARS
count(*) ,
b.cnt,b.AMOUNT
from PATRONIZER_INFO a
join
(select PATRONIZER_ID,count(PATRONIZER_ID) cnt,sum(AMOUNT) AMOUNT
from SUPPORT_MONEY_INFO group by PATRONIZER_ID
)as b
on a.PATRONIZER_ID=b.PATRONIZER_ID
order by a.END_DAY
SELECT (convert(varchar,PATRONIZER_INFO.INJION_YEARS) + '年')AS ID, Count(PATRONIZER_INFO.PATRONIZER_ID) as SUM_COUNT,
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
where PATRONIZER_INFO.START_DAY <='2008/03/29' And PATRONIZER_INFO.END_DAY>='2008/03/29' AND PATRONIZER_INFO.DELETE_FLAG =0
GROUP BY PATRONIZER_INFO.INJION_YEARS
count(*) total,
b.cnt,b.AMOUNT
from PATRONIZER_INFO a
join
(select PATRONIZER_ID,count(PATRONIZER_ID) cnt,sum(AMOUNT) AMOUNT
from SUPPORT_MONEY_INFO group by PATRONIZER_ID
)as b
on a.PATRONIZER_ID=b.PATRONIZER_ID
where a.START_DAY <='20080329' And a.END_DAY>='20080329'
AND a.DELETE_FLAG =0
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
where PATRONIZER_INFO.START_DAY <='20080329' And PATRONIZER_INFO.END_DAY>='20080329' AND PATRONIZER_INFO.DELETE_FLAG =0
GROUP BY PATRONIZER_INFO.INJION_YEARS
SELECT (str(PATRONIZER_INFO.INJION_YEARS) + '年')AS ID, Count(PATRONIZER_INFO.PATRONIZER_ID) as SUM_COUNT,
Count(SUPPORT_MONEY_INFO.STUDENT_ID) as STUDENT_COUNT,
Sum(SUPPORT_MONEY_INFO.AMOUNT) as AMOUT
FROM PATRONIZER_INFO
INNER JOIN SUPPORT_MONEY_INFO
ON PATRONIZER_INFO.PATRONIZER_ID=SUPPORT_MONEY_INFO.PATRONIZER_ID
where PATRONIZER_INFO.START_DAY <='2008/03/29' And PATRONIZER_INFO.END_DAY>='2008/03/29' AND PATRONIZER_INFO.DELETE_FLAG =0
GROUP BY PATRONIZER_INFO.INJION_YEARS
insert PATRONIZER_INFO select 'f1' ,'2001/08/07' ,'2008/03/28' ,0 , 1
insert PATRONIZER_INFO select 'f2' ,'2001/08/07' ,'2008/03/28' ,0 , 2 create table SUPPORT_MONEY_INFO(PATRONIZER_ID varchar(10),STUDENT_ID varchar(10),AMOUNT int)
insert SUPPORT_MONEY_INFO select 'f1' , 'F1' ,100
insert SUPPORT_MONEY_INFO select 'f1' , 'F2' , 200
insert SUPPORT_MONEY_INFO select 'f2' , 'F3' , 200 select rtrim(a.INJION_YEARS)+'年' as INJION_YEARS,
count(distinct a.PATRONIZER_ID) total,
count(b.PATRONIZER_ID) PATRONIZER_ID,sum(b.AMOUNT) PATRONIZER_ID
from PATRONIZER_INFO a
join
SUPPORT_MONEY_INFO b
on a.PATRONIZER_ID=b.PATRONIZER_ID
AND a.START_DAY>='20010807' and a.END_DAY<='20080328'
and a.DELETE_FLAG =0
group by a. INJION_YEARSdrop table PATRONIZER_INFO,SUPPORT_MONEY_INFO/*
INJION_YEARS total PATRONIZER_ID PATRONIZER_ID
-------------- ----------- ------------- -------------
1年 1 2 300
2年 1 1 200(2 行受影响)
*/