KX Community

To: personal-kdbplus@googlegroups.comX-Mailer: Apple Mail (2.1077)if you=E2=80=99ve got hundreds of fields it=E2=80=99ll probably be =easier to use csvguess.q http://kx.com/q/e/csvguess.qq csvguess.q yourfile.csv look at, and adjust the column mappin...

you're confusing yourself by mixing k2 and kdb+ (q and k4)kdb+ has never had `showOn 02.12.2009, at 02:49, GH wrote:> Does the recent version of Q include `show? It does not seem to work> with the> recent developer version Q 2.6. But it worked with a...

q)not 01b10bq)On 02.12.2009, at 02:43, GH wrote:> ~ can be used as logical negate in K. Is there an equivalent in Q?> neg> in Q negates a numeric value.> > / e. g.> q)neg 1b> -1> q)\> ~ 9> 0b

On 25.11.2009, at 01:38, dbtouch wrote:> question is how to splay tables with multiple varchar columns? What> about keyed tables?.Q.en will deal with all columns of type symbol, it's not restricted to only one you pass it the directory where the sym ...

assuming they're times, and you're storing them as times:q)tbl:([]t:09:30 12:30 11:30)q)tblt -----09:3012:3011:30q)update h:`hh$t,m:`mm$t from tblt h m -----------09:30 9 3012:30 12 3011:30 11 30q)