Paradox 不支援 Cascading Delete
你必須自行撰寫程式, 以一個 Master-detail 的例子來說,
你可以在 master table 的 BeforeDelete 中撰寫:
if Confirm('Deletion of Detail entries?') then
with DetailTable do
begin
DisableControls;
First;
while not EOF do Delete;
EnableControls;
end;
else
Abort;