记录一次SQL查询语句

 1 CREATE TABLE t_jeff (
 2   id int NOT NULL,
 3   VINNumber varchar(255) DEFAULT NULL,
 4  ChannelID varchar(255) DEFAULT NULL,
 5   TimeStamp datetime DEFAULT NULL,
 6   PRIMARY KEY (id)
 7 ) ;
 8 INSERT INTO t_jeff VALUES (‘1‘, ‘Group3‘, ‘3‘, ‘2015-05-27 00:00:00‘);
 9 INSERT INTO t_jeff VALUES (‘2‘, ‘Group2‘, ‘5‘, ‘2015-05-23 00:00:00‘);
10 INSERT INTO t_jeff VALUES (‘3‘, ‘Group1‘, ‘4‘, ‘2015-05-25 00:00:00‘);
11 INSERT INTO t_jeff VALUES (‘4‘, ‘Group2‘, ‘3‘, ‘2015-05-29 00:00:00‘);
12 INSERT INTO t_jeff VALUES (‘7‘, ‘Group1‘, ‘2‘, ‘2015-05-30 00:00:00‘);
13 
14 
15 SELECT * FROM t_jeff
16 --1、VINNumber同组的放一起
17 --2、组之间排序逻辑：按照每组ChannelID最大值 倒序
18 --3、组内排序：按照ChannelID倒序。
19 
20 SELECT  A.*
21 FROM    [dbo].[t_jeff] A
22         JOIN ( SELECT   MAX([ChannelID]) AS [MaxChannelID] ,
23                         [VINNumber]
24                FROM     [dbo].[t_jeff]
25                GROUP BY [VINNumber]
26              ) B ON A.VINNumber = B.VINNumber
27 ORDER BY B.MaxChannelID DESC ,
28         A.ChannelID DESC
29         
30         
31