数据库全表查询关键字

--搜索所有表列数据
DECLARE @string VARCHAR(100)='指定关键字'
DECLARE @sql NVARCHAR(MAX)
SET @sql=N'DECLARE @sql NVARCHAR(MAX),@ColNames NVARCHAR(MAX),@ColValues  NVARCHAR(MAX);SET @ColNames=NULL;SET @ColValues=NULL;
SELECT  @ColNames=ISNULL(@ColNames+'','','''')+QUOTENAME(c.[Name])
      ,@ColValues=ISNULL(@ColValues,  ''''''''+OBJECT_NAME(c.object_id)+''''''''+'' AS [TableName]'')+'',''+  ''RTRIM(CONVERT(NVARCHAR(max),''+QUOTENAME(c.[Name])+'')) AS  ''+QUOTENAME(c.[Name])
FROM sys.[columns] AS c where c.object_id=object_id(N''?'');
set @sql= ''SELECT * FROM (SELECT ''+ @ColValues+'' FROM ''+''?''+'' )  as t UNPIVOT(ColumnValue FOR ColumName  IN (''+@ColNames+'')) u WHERE  CHARINDEX('''''+@string+N''''',ColumnValue)>0'';
print @sql;
EXEC(@sql)'
PRINT @sql
EXEC sp_MsforeachTable  @command1=@sql

--建议使用第二种方法进行查询
declare @str varchar(100)
set @str='信息主管' --要搜索的字符串
declare @s varchar(8000)
declare tb cursor local for
select 'if exists(select 1 from ['+b.name+'] where ['+a.name+'] like  ''%'+@str+'%'')
print '' ['+b.name+'].['+a.name+']'''
from syscolumns a join sysobjects b on a.id=b.id
where b.xtype='U' and a.status>=0
and a.xusertype in(175,239,231,167)
open tb
fetch next from tb into @s
while @@fetch_status=0
begin
exec(@s)
fetch next from tb into @s
end
close tb
deallocate tb