kdb+ and q
Q+A on all things kdb+ database and the q language
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can't make wj work...

I'm stuck - I don't understand why this window join doesn't work.Tips appreciated.q)show q;meta qs t a b-------------------------------------------------ibm 2015.11.16D08:50:45.080000000 0.9476 0.9472ibm 2015.11.17D11:49:36.935000000 0.46902 0.46872i...

effbiae by New Contributor
  • 1 replies
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reading async return message with kdb c interface on windows

Hi, I'm having trouble reading async return message with kdb c interface. http://code.kx.com/wiki/Cookbook/InterfacingWithC. shows the following code #include"k.h"#include#include#include#include#include#include#include#includeint main(){ int retval;...

JQ by New Contributor
  • 6 replies
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Extending kdb other then C

I searching about extending kdb+. and found that there is a way to extend with C only. m wondering if we can extend kdb+ any other language. something like python, java or dotNet. does anybody have extended kdb+ with any of above languages. or any id...

jhoonjhar by New Contributor
  • 3 replies
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functional select

Hi,I have a question based on a functional select. I'm trying to use a functional select to generalise a select query so I don't have to write out all the column names. Here's an example of the problem://Create a table:z:([] sym:`sym1`sym2`sym1`sym1;...

js610308 by New Contributor
  • 5 replies
  • 0 kudos