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Kdblistener
Kdb
Attributes
Pattern matching
Lambdas
Shadow
Assign
Assign 0
Assign 1
Destructuring
Verbs
Amends/Dmends
Triadic @ (amend)
Triadic . (dmend)
Tetradic @ (amend)
Tetradic . (dmend)
Bitwise verbs
band
bnot
bor
bxor
Casts
cast
repr
flip
sv
vs
serialization
compression
Conditional verbs
$ (cond)
? (vector conditional)
& (and-cond)
| (or-cond)
Database input/output
Reading/writing concept
Projecting files concept
Execution flow
load
defn
eval
reagent
react
spawn
top
get
close
sleep
yield
return
exit
kill
panic
I/O verbs
set
get
write
read
readln
print
println
show
0N! (display)
Indexing verbs
@ (at)
. (dot-apply)
List verbs
count
distinct
enlist
pick
fill
filter
first
last
reverse
rotate
shift
take
drop, cut
.o.cut
?
! (til)
Logical verbs
~ (not)
| (or)
& (and)
& (where)
Math verbs
- (negate)
% (monadic division)
+
-
*
% (division)
mod (division remainder)
abs (absolute value)
ceil
floor
frac
& (min)
| (max)
round
More math functions
Relational verbs
<, <=
>, >=
= (equal)
~ (match)
<> (not equal)
Null handling ^
Set verbs
Intersection
Difference
Union
in (contains)
String manipulation
like
ss (str search)
ssr (str search and replace)
parse
format
.o.lower
.o.upper
System
argv
getenv
setenv
system
os
Type verbs
@ (internal type id)
type (typespec)
! (internal type id)
.o.typedesc
Other verbs
key
meta
quote
rc (reference count)
mv (move)
timestamp
value
Iterators
Queries
SELECT
WHERE
DISTINCT
GROUP
LIMIT
ORDER
JOIN
UNION
UPSERT
UPDATE
DELETE
SQL-like syntax
Ptables support
Dynamic parsers
Language idioms
Standard library
Overview
core.o
Core functions
For tables
For partition tables
htreq.o
http.o
json.o
lit.o
markdown.o
prolog.o
repl.o
sql.o
urllib.o
xml.o
Plugins
Overview
Customers plugins
Plugin crypto
Plugin ctrlc
Plugin fs
Plugin kdb
Plugin serde
For Python developers
For KDB+ developers
Application examples
FAQ
Contributors
Contacts
lit.o
TODO