>Thanks for all replies to this topic.
>
>Since I 'discovered' this strange behavior, I suspect there are other places in my Apps that I have put the field on the rhs, and am not ware of it.
>
>Is there any tool that would go through all forms and Prf's and identify where a command is not Rushmore optimised (i.e. in my case where the field is on the wrong side of the equals sign )

YOu could use SYS(3054) to check all your queries.

Tamar