kdb+ and q
Q+A on all things kdb+ database and the q language
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h: hopen `::5000; connection to a port

Dear All,I stored some data in port 5000.When I try to read it from another command window i do:(1) h: hopen `::5000;(2) h" select from table where date= , time>="(3) close the connection using hclose hHowever, I have made a mistake at point 3) inste...

[personal kdb+] Enhanced Kdb Studio [Javascript support]

Guys, can anyone provide me the link to download Enhanced Kdb Studio which has support for Javascript?I remember Charles himself had enhanced the studio to add support for Javascript.All I found on the net was the link to download Studio from here, b...

SunDew by New Contributor
  • 2 replies
  • 0 kudos

Question about the performance difference of two queries on HDB

HI allI have 2 very simple query which do essentially same work:\t select avg x by sym, minute from t where date in dates,sym in syms\t t1:select from t where date in dates; select avg x by sym, minute from t1 where sym in symsThe table is not really...

carfield1 by New Contributor
  • 7 replies
  • 0 kudos

Alternative ODBC driver

Subject: Alternative ODBC driverMessage-Id: <862F0921-96C3-4A29-A3B9-3B536C6F4358@aquaq.co.uk>Date: Fri, 22 Jan 2016 12:39:29 +0000To: personal-kdbplus@googlegroups.comMime-Version: 1.0 (Mac OS X Mail 9.2 \(3112\))X-Mailer: Apple Mail (2.3112)Hi At A...