Hi Cetin,
thanks for the reply how would be the your comment about below ask as i posted in this thread ?

TIA

>and additional question from me ,
>i think i will use this field for data synchronization between tables for server and sales >force laptops . how would be the your synchronization syntax for this ? and also datetime >stamp is important . why probably may some records has been changed . syntax will check >first if record on the server will copy it to the server table and second check will be if >record exist but on the laptop tables record never than server table will update

>how would be this ?

>TIA