"Am Thu, 22 Nov 2001 08:20:44 +0000 (UTC), schrieb mirco@...

>Ok, if a bookmark is really just 12 bytes, I don't worry. I wasn't
>sure how much it takes up. So it does not depend on the primary key
>fields?

I don't know, but I always use an integer field for the primary key.
Every table in my database has an unique id which is an integer.

>The matter is not what *I* want to do, but what the end user will do
>with the application. It would be difficult to explain why he can
>genrally select all records in the grid, but the program might behave
>slow if the chooses to delete them.

Getting the list of selected records will not be the slow part the
this process. I think for 100000 records this will last as long, as
the deletion of just one record.

cu
Helmut