sql - 查询所有表中包含指定值

CREATE TABLE qResults (tName nvarchar(370), cname nvarchar(3630),[count] int)

declare @tname nvarchar(200)
declare @cname nvarchar(200)

declare @countOut nvarchar(200)
declare @sql nvarchar(max)
declare c_search cursor for
select t.name,c.name from sysobjects t inner join syscolumns c on t.id=c.id where t.type=‘u‘  and c.xtype in(56,167,175,231,239) order by t.name --xtype 这个地方限制类型为int varchar char nvarchar nchar 五种类型
open c_search
fetch next from c_search into @tname,@cname
while @@FETCH_STATUS=0
begin
  
   set @sql=N‘select @countx=COUNT(*) from ‘+@tname +‘ where [‘ +@cname +‘] =‘‘44‘‘ ‘
  
   print @sql
   EXECUTE sp_executesql @sql,N‘@countx nvarchar(200) out ‘, @countx=@countOUT OUT

   insert into qResults values (@tname,@cname,@countOUT)

  
   fetch next from c_search into @tname,@cname
end
select tName ‘Table‘,cname ‘Field‘ from qResults where [count]>0 order by tname
close c_search
deallocate c_search

drop table qResults

ALTER proc Full_Search(@string varchar(50))   
as   
begin   
 
declare @tbname varchar(50)   
declare tbroy cursor for select name from sysobjects   
where xtype= ‘u‘ --第一个游标遍历所有的表   
 
open tbroy   
fetch next from tbroy into @tbname   
while @@fetch_status=0   
begin   
 
declare @colname varchar(50)   
declare colroy cursor for select name from syscolumns   
where id=object_id(@tbname) and xtype in (   
select xtype from systypes   
where name in ( ‘varchar ‘, ‘nvarchar ‘, ‘char ‘, ‘nchar ‘) --数据类型为字符型的字段   
) --第二个游标是第一个游标的嵌套游标，遍历某个表的所有字段   
 
open colroy   
fetch next from colroy into @colname   
while @@fetch_status=0   
begin   
 
declare @sql nvarchar(1000),@j int   
select @sql= ‘select @i=count(1) from ‘ +@tbname + ‘ where ‘+ @colname+ ‘ like ‘+ ‘‘‘%‘+@string+ ‘%‘‘‘   
exec sp_executesql @sql,N‘@i int output‘,@i=@j output --输出满足条件表的记录数   
if @j> 0   
BEGIN  
select 包含字串的表名=@tbname  
--exec( ‘select distinct ‘+@colname+‘ from ‘ +@tbname + ‘ where ‘+ @colname+ ‘ like ‘+ ‘‘‘%‘+@string+ ‘%‘‘‘)   
END  
fetch next from colroy into @colname   
end   
 
close colroy   
deallocate colroy   
 
fetch next from tbroy into @tbname   
end   
close tbroy   
deallocate tbroy   
end