>I am trying to understand the meaning of what you said. Do you mean that in MS SQL Server the value of MYFLD1 - if used twice - will still be the old/original value?
>
Yes, I tested it recently. Even if you reference the same field twice in SQL Server in UPDATE it would be the same value.

BTW, check this link http://forum.lessthandot.com/viewtopic.php?f=17&t=7601