In response to mike :
> Hi All,
>
> I have a poor performance SQL as following. The table has about 200M
> records, each employee have average 100 records. The query lasts about
> 3 hours. All I want is to update the flag for highest version of each
> client's record. Any suggestion is welcome!
>
Hi All,
I have a poor performance SQL as following. The table has about 200M
records, each employee have average 100 records. The query lasts about
3 hours. All I want is to update the flag for highest version of each
client's record. Any suggestion is welcome!
Thanks,
Mike
SQL===
