2016. 04. 14. 13:27 keltezéssel, Dimitry Sibiryakov [email protected] [firebird-support] írta: > You'd better to remove IsDefault field at all and create a reference to > default record > in other table.
I have TBL_MASTER, TBL_DETAIL(this contains ISDEFAULT). You suggest a TBL_DETAIL_DEFAULTS table? Is not have too much cost? It is true that in this case the UNIQUE with 4 fields not needed in TBL_DETAIL. Gabor ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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/
