On 18/11/16 11:03, Nico Speleers - Carfac BVBA [email protected] [firebird-support] wrote: > But I want to use identity fields because such fields don't uses a generator > and a trigger.
Putting this a different way ... the correct way of ensuring where multiple users are adding records which require a unique ID, SQL introduced SEQUENCE which is the same thing as the Interbase generator which pre-dates it. So a reliable 'identity' or 'auto-increment' field is simply a wrapper for sequence or generator. I prefer access to the trigger to allow more than a simple 'get next number' but if you prefer to hid it fine. That is all you are doing by changing the code used ... -- Lester Caine - G8HFL ----------------------------- Contact - http://lsces.co.uk/wiki/?page=contact L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - http://enquirysolve.com/ Model Engineers Digital Workshop - http://medw.co.uk Rainbow Digital Media - http://rainbowdigitalmedia.co.uk ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Visit http://www.firebirdsql.org and click the Documentation item on the main (top) menu. Try FAQ and other links from the left-side menu there. Also search the knowledgebases at http://www.ibphoenix.com/resources/documents/ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/firebird-support/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/firebird-support/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/
