Hi,

>
A Trigger Update solution is a better solution for me.
You can write a "trigger builder" for implement this generic schema.
>

Sorry for not replying sooner - got diverted. Can you enlarge a little on your suggestion. In point of fact it looks like this functionality will only be needed for between 5 - 10 tables so it will probably be more economic to hard code them individually then to work up a generic solution...

Regards,
Viv