>When i pack the child table, the child table's index file was "dissociated", or destroyed.
>
>Would anyone tell me why? and how to fix this problem?
>
>
>Thank you!
>
>Aaron Chu

PACK will rebuild the index (not destroy it). If you use temp relationships (i guess) then reset them after. However, do not try to use PACK against a table shown in grid. It will kill the grid. Generally, PACK command against real tables should not be a part of normal application flow.