sql字符替换与利用sql存储过程替换【lom599乐百家手机】

 百家乐-数据     |      2020-03-31 11:35

假诺您在轮流数据库的钦命字符串或字符,大家供给使用sql字符替换,不过对于超大体积的多少替换大家可能要用到sql存款和储蓄进程替换 物,因为存储进度成效超越大家生死不渝写的替换函数哦。

假若你在交替数据库教程的钦赐字符串或字符,大家必要动用sql字符替换,然而对于非常大体积的数量替换大家可能要用到sql存款和储蓄进程替换 物,因为存款和储蓄过程效用抢先大家友好写的轮流函数哦。

update 数据表 set 字段=replace(字段,'.','')

上边看一款查询结果字符替换

--select * from sjz_dlfzb

--select replace (substring(tbrq,2,len(tbrq)-2),'$','-') from sjz_dlfzb

update sjz_dlfzb set tbrq=replace (substring(tbrq,2,len(tbrq)-2),'$','-')

update sjz_hpzb set wdm=replace (substring(wdm,2,len(wdm)-2),'$','-') where hp_id !='130121010001'

update sjz_hpzb set dxslx=replace (substring(dxslx,2,len(dxslx)-2),'$','-')

select * from sjz_nslzb

update sjz_nslzb set tbrq=replace (substring(tbrq,2,len(tbrq)),'$','-') where nsl_id='130131030061'

select * from sjz_nslzb where nsl_id='130131030061'

select * from sjz_nslzb where nsl_id='130132030033'update sjz_nslzb set tbrq=replace (tbrq,'$','-') where nsl_id='130132030033'sjz_xpzb

update sjz_xpzb set wd=replace (substring(wd,2,len(wd)),'$','-')

使用存储进度替换字符

lom599乐百家手机 ,create table hello(id int identity(1,1),content text) insert into hello select 'img align=baseline alt= border=0 src=/_百家了乐八大技巧 ,p1.jpgbr' union all select 'img align=baseline alt= border=0 src=_p1.jpgbr' --定义替换/删除的字符串 declare @s_str varchar(8000),@d_str varchar(8000) select @s_str='' --要替换的字符串 ,@d_str='' --替换来的字符串 --定义游标,循环管理数量 declare @id int declare #tb cursor for select id from hello open #tb fetch next from #tb into @id while @@fetch_status=0 begin --字符串替换管理 declare @p varbinary(16State of Qatar,@postion int,@rplen int select @p=textptr(content卡塔尔,@rplen=len(@s_str),@postion=charindex(@s_str,content)-1 from hello where id=@id while @postion0 begin updatetext hello.content @p @postion @rplen @d_str select @postion=charindex(@s_str,content)-1 from hello where id=@id end fetch next from #tb into @id end close #tb deallocate #tb --展现结果 select * from hello --删除数据测量试验碰到 drop table hello