[Lazarus] [OT] How to delete a record/object being used

Joao Morais post at joaomorais.com.br
Tue Sep 9 16:45:25 CEST 2008

Graeme Geldenhuys wrote:
>>  anyway you can choose between query the database before
>>  try to delete the record (when you have an oo model this is very simple
> Umm... this sounds like a safer option than cascade delete. At least I
> wouldn't run into the 'in memory' issue mentioned in my reply to
> Michael.

Cascade delete and 'no action' are quite different. The former is 
applyed when you have composition, the later when you have aggregation.

Joao Morais

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