let's assume that I have 2.5.3 Pozdrawiam
Piotr Olszewski -----Original Message----- From: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com] Sent: Tuesday, March 29, 2016 11:45 AM To: firebird-support@yahoogroups.com Subject: Re: [firebird-support] How to add previous column value to current value? 29.03.2016 11:40, 'Piotr Olszewski' piotr.olszew...@eskrzynka.pl [firebird-support] wrote: > I need to get a date difference (days between) between rows. With Firebird 3.0 you can use window function LAG. -- WBR, SD. ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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
