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

[Joao Morais]

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