kdb+ and q
Q+A on all things kdb+ database and the q language
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License Host Limit

We purchased a 2-core license. Is there no host limit per license? if when I configure the tick system with multiple servers, I would like to know if I can use it as one license.

k-mambo by New Contributor III
  • 1 replies
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Resolved! Getting License error

Hi Floks, I am new KDB, while running q session, I am getting below error. Can you please help on this.

srevuri4 by New Contributor II
  • 6 replies
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Resolved! Function composition using common argument

Hi, Newbie question I guess. To simplify, say I have 2 functions f1 & f2: q) f1: {1-x%y} q) f2: {mavg[x;y]} /This is voluntary which actually in this case, have a common argument when a composition is applied, eg. : q) a: til 10 q) g: f1 . (f2 . (3;...

JP by New Contributor III
  • 3 replies
  • 0 kudos

qpython to select columns from table

This is about qpython code. Let's say we have a table named "t" with 2 columns "name" and "iq" in kdb: from qpython import qconnection, qcollection q = qconnection.QConnection(host='localhost', port=5000): q.open() q("t:flip `name`iq!(`Dent`Beeblebro...