10.05.2018 18:44, Vlad Khorsun via Firebird-devel wrote:
Is it possible\make sence to add a datetime field with "valid from" mark ? Or something like that, some kind of version mark.
IMHO, one of advantages of using UDR for subj is that much more fields can be added any time as needed by upgrading a single library while a virtual table is fixed to ODS and has to be decided once and forever.
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