SQL请教(急''''') - Oracle / 开发
表结构及数据如下:
ADDRESS CUSTOMER DRDL01 IMSRP1 Amount
1 10003051 ALPHA START LIMITED POLY COVERED CORE PC 1425501.63
2 10003051 ALPHA START LIMITED SPUN POLYESTER SP 404370.41
3 10003051 ALPHA START LIMITED TRILOBAL AIR ENTANGLED POLY TL 9700
4 10003051 ALPHA START LIMITED SAK COTTON CS 38.3
5 10003051 ALPHA START LIMITED FILAMENT POLYESTER FP 3960
6 10003051 ALPHA START LIMITED COTTON COVERED CORE CC 3715.84
7 10000373 AMANN ASIA LIMITED POLY COVERED CORE PC 5246563.21
8 10000373 AMANN ASIA LIMITED TEXTURED POLYESTER TP 693569.06
9 10000373 AMANN ASIA LIMITED SPUN POLYESTER SP 39873.6
要求得到下面的结果才是对:
1 10003051 ALPHA START LIMITED POLY COVERED CORE PC 1425501.63
2 10003051 ALPHA START LIMITED SPUN POLYESTER SP 404370.41
3 10003051 ALPHA START LIMITED Others Others 17414.14
4 10000373 AMANN ASIA LIMITED POLY COVERED CORE PC 5246563.21
5 10000373 AMANN ASIA LIMITED TEXTURED POLYESTER TP 693569.06
6 10000373 AMANN ASIA LIMITED Others Others 39873.6
就是按order by ADDRESS,Amount desc ,
然后取前两条记录,后面的用others 代替,汇总金额成第三条记录,
也就是说不管原始记录有多少条,我只能取金额最高的两条和其它的汇总成一条记录,DRDL01变为others 即可.
请勿重复发帖!
一个问题,一个帖子说明白就可以了
发建表脚本和插入数据的SQL脚本
CREATE TABLE test3(
address VARCHAR2(20),
customer VARCHAR2(30),
drdl01 VARCHAR2(10),
imsrp1 V
相关问答:
我在开发的这个应用并发性比较高,oracle更新数据时候如何处理并发处理呢?各位大侠发表好的观点啊,在线等待!
oracle数据更新时,会自动默认行锁定,楼主不要操心,Oracle对并行处理已经很成熟了
引用
oracle ......
现在有两张表:文章主表A(articleId,articleTitle),文章评论表B(commentId,articleId,commentTitle)
现在我想实现这样的功能:列出文章列表,其中每篇文章标题下面列出此文章的前2个文章评论,请问sql语句怎么写啊 ......
字段1,字段2.....字段N,Status,ParentID
1,Name1....test1,1,99
1,Name1....test1,3,99
1,Name2....test2,1,101
1,Name2....test2,3,101
1,Name3....test3,2,101
1,Name1....test1,4,101
想要的结果是:
1,Na ......
将一个查询语句赋给一个变量,如下:
DECLARE @STR NVARCHAR(MAX)
SET @STR='SELECT * from SALE_PROD'
怎么样才能执行它呢?
请高手,仁兄,侠姐帮帮忙啊
多谢,可以啦,高手啊
直接执行就行了
exec ......