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[kdb+/en] Updated external links to the KX wiki (#3008)

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* series of fixes and improvements

* updated links to kx wiki
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Matt Doherty 2018-02-28 09:29:19 +00:00 committed by Pratik Karki
parent afdc29ec7e
commit bcd41be223
1 changed files with 10 additions and 10 deletions
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@ -76,7 +76,7 @@ floor 3.14159 / => 3
/ ...getting the absolute value...
abs -3.14159 / => 3.14159
/ ...and many other things
/ see http://code.kx.com/wiki/Reference for more
/ see http://code.kx.com/q/ref/card/ for more
/ q has no operator precedence, everything is evaluated right to left
/ so results like this might take some getting used to
@ -174,7 +174,7 @@ t - 00:10:00.000 / => 00:50:00.000
d.year / => 2015i
d.mm / => 12i
d.dd / => 25i
/ see http://code.kx.com/wiki/JB:QforMortals2/atoms#Temporal_Data for more
/ see http://code.kx.com/q4m3/2_Basic_Data_Types_Atoms/#25-temporal-data for more
/ q also has an infinity value so div by zero will not throw an error
1%0 / => 0w
@ -183,7 +183,7 @@ d.dd / => 25i
/ And null types for representing missing values
0N / => null int
0n / => null float
/ see http://code.kx.com/wiki/JB:QforMortals2/atoms#Null_Values for more
/ see http://code.kx.com/q4m3/2_Basic_Data_Types_Atoms/#27-nulls for more
/ q has standard control structures
/ if is as you might expect (; separates the condition and instructions)
@ -642,7 +642,7 @@ kt upsert ([]name:`Thomas`Chester;age:33 58;height:175 179;sex:`f`m)
/ => Thomas 32 175 m
/ Most of the standard SQL joins are present in q-sql, plus a few new friends
/ see http://code.kx.com/wiki/JB:QforMortals2/queries_q_sql#Joins
/ see http://code.kx.com/q4m3/9_Queries_q-sql/#99-joins
/ the two most important (commonly used) are lj and aj
/ lj is basically the same as SQL LEFT JOIN
@ -669,7 +669,7 @@ aj[`time`sym;trades;quotes]
/ => 10:01:04 ge 150
/ for each row in the trade table, the last (prevailing) quote (px) for that sym
/ is joined on.
/ see http://code.kx.com/wiki/JB:QforMortals2/queries_q_sql#Asof_Join
/ see http://code.kx.com/q4m3/9_Queries_q-sql/#998-as-of-joins
////////////////////////////////////
///// Extra/Advanced //////
@ -716,7 +716,7 @@ first each (1 2 3;4 5 6;7 8 9)
{x + y}/[1 2 3 4 5] / => 15 (only the final result)
/ There are other adverbs and uses, this is only intended as quick overview
/ http://code.kx.com/wiki/JB:QforMortals2/functions#Adverbs
/ http://code.kx.com/q4m3/6_Functions/#67-adverbs
////// Scripts //////
/ q scripts can be loaded from a q session using the "\l" command
@ -756,7 +756,7 @@ select from splayed / (the columns are read from disk on request)
/ => 1 1
/ => 2 2
/ => 3 3
/ see http://code.kx.com/wiki/JB:KdbplusForMortals/contents for more
/ see http://code.kx.com/q4m3/14_Introduction_to_Kdb+/ for more
////// Frameworks //////
/ kdb+ is typically used for data capture and analysis.
@ -769,8 +769,8 @@ select from splayed / (the columns are read from disk on request)
## Want to know more?
* [*q for mortals* q language tutorial](http://code.kx.com/wiki/JB:QforMortals2/contents)
* [*kdb for mortals* on disk data tutorial](http://code.kx.com/wiki/JB:KdbplusForMortals/contents)
* [q language reference](http://code.kx.com/wiki/Reference)
* [*q for mortals* q language tutorial](http://code.kx.com/q4m3/)
* [*Introduction to Kdb+* on disk data tutorial](http://code.kx.com/q4m3/14_Introduction_to_Kdb+/)
* [q language reference](http://code.kx.com/q/ref/card/)
* [Online training courses](http://training.aquaq.co.uk/)
* [TorQ production framework](https://github.com/AquaQAnalytics/TorQ)