>Hi,
>
>Thank a lot for your help and advise. It really help me to understand
>it more in details.
>
>However, how come my application when I open a bundles of dbf files in the
>begining like
>
>* open of dbf files first
>USE tbla IN 0 ALIAS A
>USE tblb IN 0 ALIAS B
>USE tblc IN 0 ALIAS C
>

Don't use the single letters "A" - "J" for aliases