Re: Kdb equivalent for J

> I want to try and build a tool which will be able to process large
> excel type files and perform some array based operations. But I need
> it to be open source and want to it be free for academic and
> commercial purposes preferably. Ideally, it should have support for in
> memory column based databases like Kdb has and good GUI capabilities
> to work on Windows and have smooth integration with other Microsoft
> products like MS Word etc.
> Any options of doing this with J?
> Maybe use something like C# for front end with some open source in
> memory column based database which then interacts with a J executable?
> Or use sqlite with J?
> Any other options that could help with these set of requirements?

For best results on J questions, post to the J programming forum.

There is no "JDB" as yet in J, though one is forthcoming. However,
there is an SQLite interface, and support for memory mapped data. For
example, see http://www.jsoftware.com/jwiki/DB
. C# also makes a good
front end for J, see http://www.jsoftware.com/jwiki/Interfaces
.