表Axm xk张三 语文,历史,音乐李四 体育,语文 现在想查询得到xm xk张三 语文张三 历史张三 音乐李四 体育李四 语文
1 Select 2 a.xm,xk=substring(a.xk,b.number,charindex(‘,‘,a.xk+‘,‘,b.number)-b.number) 3 from 4 表A a join master..spt_values b 5 ON b.type=‘p‘ AND b.number BETWEEN 1 AND LEN(a.xk) 6 where 7 substring(‘,‘+a.xk,b.number,1)=‘,‘
--1.将字符串转换为列显示 if object_id(‘tb‘) is not null drop table tb go create table tb([编号] varchar(3),[产品] varchar(2),[数量] int,[单价] int,[金额] int,[序列号] varchar(8)) insert into tb([编号],[产品],[数量],[单价],[金额],[序列号]) select ‘001‘,‘AA‘,3,5,15,‘12,13,14‘ union all select ‘002‘,‘BB‘,8,9,13,‘22,23,24‘ go select [编号],[产品],[数量],[单价],[金额] ,substring([序列号],b.number,charindex(‘,‘,[序列号]+‘,‘,b.number)-b.number) as [序列号] from tb a with(nolock),master..spt_values b with(nolock) where b.number>=1 and b.number<=len(a.[序列号]) and b.type=‘P‘ and substring(‘,‘+[序列号],number,1)=‘,‘ go drop table tb go /** 编号 产品 数量 单价 金额 序列号 ---- ---- ----------- ----------- ----------- -------- 001 AA 3 5 15 12 001 AA 3 5 15 13 001 AA 3 5 15 14 002 BB 8 9 13 22 002 BB 8 9 13 23 002 BB 8 9 13 24 */ ----------
--7.将字符串显示为行列 if object_id(‘tb‘) is not null drop table tb create table tb( id int identity(1,1), s nvarchar(100)) insert into tb(s) select ‘车位地址1,车位状况1|车位地址2,车位状况2|车位地址n,车位状况n‘; with cte as( select substring(s,number,charindex(‘|‘,s+‘|‘,number)-number) as ss from tb with(nolock),master..spt_values with(nolock) where type=‘P‘ and number>=1 and number<=len(s) and substring(‘|‘+s,number,1)=‘|‘ )select left(ss,charindex(‘,‘,ss)-1)as s1,substring(ss,charindex(‘,‘,ss)+1,len(ss))as s2 from cte; drop table tb /** s1 s2 ----------- ------------ 车位地址1 车位状况1 车位地址2 车位状况2 车位地址n 车位状况n
时间: 2024-09-29 02:22:58