kdb+ and q
Q+A on all things kdb+ database and the q language
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Integration of functions in q

I would like to integrate functions of one variable. Is there a library with numerical methods for calculating integrals? I know there is a library qml (http://althenia.net/qml), which provides an interface between the q programming language and nume...

Maciej by New Contributor
  • 1 replies
  • 1 kudos

Resolved! What did -11!log do underlying

Hi Community, I tried to replay a tickerplant file (~12GB), with -11!logfile. After done, I tried .Q.w[] and saw iterms, used ~18GB, heap ~33GB. Then I called .Q.gc[], used still ~18GB, heap ~18GB, 15GB space were freed after gc. To better manage the...

Xiaocheng by New Contributor II
  • 3 replies
  • 1 kudos

Resolved! Installing odbc connection in KDB

Hi Community, I was setting up odbc in my window computer following the article https://code.kx.com/q/interfaces/q-client-for-odbc/ but I'm getting an error. This is how my q directory looks like: kc.licodbc.dllodbc.kq.k w64 And I'm getting this erro...

racuna00 by New Contributor II
  • 2 replies
  • 1 kudos

Resolved! Querying HDB database after schema update.

Hello Community, I am helping a client who cannot query the HDB database after a schema update. A new column ''source'' was added and now when they query the table, the following error that the directory cannot be found is generated: ./2021.07.23/bon...

LeahS by Moderator
  • 2 replies
  • 1 kudos