--查询指定的表在那些数据库中存在

declare @tbname sysname
set @tbname='客户资料'

declare @dbname sysname,@sql nvarchar(4000),@re bit,@sql1 varchar(8000)
set @sql1='
declare tb cursor for select name from master..sysdatabases
open tb
fetch next from tb into @dbname
while @@fetch_status=0
begin
 set @sql='set @re=case when exists(select 1 from ['
  +@dbname+']..sysobjects where xtype='U' and name=''
  +@tbname+'') then 1 else 0 end'
 exec sp_executesql @sql,N'@re bit out',@re out
 if @re=1 set @sql1=@sql1+' union all select ''+@dbname+''
 fetch next from tb into @dbname
end
close tb
deallocate tb
set @sql1=substring(@sql1,12,8000)
exec(@sql1)