Jd is a replacement for the old JDB, which is no longer supported. As Marshall points out, documentation and tutorials are included with the addon. Also, wiki and website pages are being prepared.
On 27 April 2015 at 23:03, Marshall Lochbaum <[email protected]> wrote: > JD offers a few datatypes such as date/time types and shaped columns > (whose elements are arrays) that JDB does not have. It also has a more > powerful system for references between tables. If JDB suits your needs > there is no strong reason to move to JD, but the two, though similar, > are not compatible. > > The JD package comes with its own documentation and tutorials, but there > should definitely be a guide to getting started on the J wiki. > > Marshall > > On Tue, Apr 28, 2015 at 01:24:55AM +0100, Jon Hough wrote: > > Devon, Marshall, thanks. So am I right in thinking JDB and JD have more > or less the same functionality, and use the same datatypes and whatnot?I > don't feel the need to use JD, since I'm actually just going through the > JDB tutorial (well, the wiki examples). > > It is strange how little information there is about JD. > > Regards,Jon > > > Date: Mon, 27 Apr 2015 17:29:42 -0400 > > > From: [email protected] > > > To: [email protected] > > > Subject: Re: [Jprogramming] I feel stupid for asking this... > > > > > > To be clear, JD is also free for non-commercial use. Just download the > > > data/jd addon and run (load 'jd'), which will print instructions on how > > > to request a key via email. > > > > > > Marshall > > > > > > On Mon, Apr 27, 2015 at 11:55:19AM -0400, Devon McCormick wrote: > > > > No, it's just confusing if you don't know the history. Even then, I > had to > > > > look up some things to be sure. Anyway, JDB is the early version of > a > > > > J-based database system - now freely available - whereas JD is a > newer > > > > version intended to be a commercial product. > > > > > > > > On Mon, Apr 27, 2015 at 10:39 AM, Jon Hough <[email protected]> > wrote: > > > > > > > > > I was playing around with JDB today, for the first time, never > having even > > > > > much looked at its documentation before. I was happily going > through the > > > > > examples and I browsed through the database forum when I noticed > something. > > > > > > > > > > Everyone in the database forum, even the database forum's tagline, > refer > > > > > to something called jd, which is appsrently J's database. Then I > looked at > > > > > the wiki and all I found were references to JDB. Are they the same > thing? > > > > > > > > > > I am afraid the answer will be "you are such an idiot of course > they are > > > > > the same!", but I genuinely am confused. They have different names. > > > > > > ---------------------------------------------------------------------- > > > > > For information about J forums see > http://www.jsoftware.com/forums.htm > > > > > > > > > > > > > > > > > > > > > -- > > > > Devon McCormick, CFA > > > > > ---------------------------------------------------------------------- > > > > For information about J forums see > http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
