>Hi,
>
>I had a application using SEEK 'key' and then update it records
>using REPLACE .. WITH becoz it help to update any old records if I repost my data file again. It is great that it prevent any duplicate
>records in my data file, but the searching by SEEK and then replacing it is slow as my data file and index file get big.
>
>Any one had any good ideal or suggestions or advise to assist me in
>speeding it up or any good code to share with me. Thank a lot

You won't get any faster than SEEK(). Do you have an index on DELETED()?