SQLServer查询所有表所有字段包含xx的信息

核心提示：从系统表自动生成sql语句来运行得到结果select a.name as columnname,object_name(a.id)as tablename into t from syscolumns a,sysobjects b,systypes cwhere a.id=b.idand a.xtype=c.xtype

从系统表自动生成sql语句来运行得到结果

select a.name as columnname,object_name(a.id)as tablename into t from syscolumns a,
sysobjects b,
systypes c
where a.id=b.id　
and a.xtype=c.xtype
and b.xtype='u'
and c.name in('varchar','nvarchar','char','nchar','text','ntext')
and object_name(a.id)<>'t'
go
create function udf_genSQL(@tableName varchar(1000),@keyword varchar(1000))
returns varchar(8000)
as
begin
　　declare @sql varchar(8000)
　　set @sql='select * from '+@tableName +' where 1=1 '
　　select @sql=@sql+' or '+
　　　 columnname +' like ''%'+@keyword+'%''' from t
　　where tablename=@tablename
　　return @sql
end
go
select dbo.udf_genSQL(tableName,'a') from t group by tablename
　　
drop table t
drop function dbo.udf_genSQL