declare @t table(ID int,[TIME] datetime,aa int,bb int,cc int,dd int,ee int)
insert @t select
1,'2007-1-1 12:00',30,12,15,18,19 union select
2,'2007-1-1 13:00',33,42,56,43,19 union select
3,'2007-1-1 14:00',34,12,23,18,54 union select
4,'2007-1-1 15:00',34,56,15,65,19 union select
5,'2007-1-2 12:00',30,12,15,18,67 union select
6,'2007-1-2 13:00',13,23,16,23,12 union select
7,'2007-1-2 14:00',30,12,34,12,67 union select
8,'2007-1-3 12:00',15,45,15,65,12 union select
9,'2007-1-3 13:00',16,56,65,12,19 union select
10,'2007-1-3 14:00',14,23,15,65,34 union select
11,'2007-1-4 12:00',12,15,56,12,65 union select
12,'2007-1-4 13:00',25,25,23,76,12 union select
13,'2007-1-4 14:00',56,72,78,12,45
select min(id) as id ,convert(char(10),time,120) as [time] ,
max(aa) as Max_aa,min(aa) as min_aa,avg(aa) as avg_aa ,
max(bb) as Max_bb,min(bb) as min_bb,avg(bb) as avg_bb ,
max(cc) as Max_cc,min(cc) as min_cc,avg(cc) as avg_cc ,
max(dd) as Max_dd,min(dd) as min_dd,avg(dd) as avg_dd ,
max(ee) as Max_ee,min(ee) as min_ee,avg(ee) as avg_ee
from @t
group by convert(char(10),time,120)
/*
id time Max_aa min_aa avg_aa Max_bb min_bb avg_bb Max_cc min_cc avg_cc Max_dd min_dd avg_dd Max_ee min_ee avg_ee
----------- ---------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- -----------
1 2007-01-01 34 30 32 56 12 30 56 15 27 65 18 36 54 19 27
5 2007-01-02 30 13 24 23 12 15 34 15 21 23 12 17 67 12 48
8 2007-01-03 16 14 15 56 23 41 65 15 31 65 12 47 34 12 21
11 2007-01-04 56 12 31 72 15 37 78 23 52 76 12 33 65 12 40
（所影响的行数为 4 行）
*/
我没理解错吧
楼主不是这样吗？
