How can I join trade & quote data when the timestamps do not
btw, am i supposed to join the trade table and quote table?
kdb+ and q
Q+A on all things kdb+ database and the q language
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
- KX Community
- :
- Discussion Forums
- :
- kdb+ and q
Options
- Mark all as New
- Mark all as Read
- Float this item to the top
- Subscribe
- Bookmark
- Subscribe to RSS Feed
- Threaded format
- Linear Format
- Sort by Topic Start Date
Forum Posts
do control word
Can someone please explain how the do control word works in kdb+. I've read the kx wiki about it and still don't understand.
Query Optimization
Hello,Wondering if anyone can help me out on this. I have a user sending a query that's hogging resources. Does anyone know a better way to send this query that would not be as resource intensive.h "select last price by date, sym from trade where dat...
Paging thru a long resultset w/o re-evaluating a query in the URL
My query takes a long time to run and it gives a long resultset that spans multiple pages. After clicking the pageDown link the URL becomeshttp://localhost:7016/?[32Can I write the query in such a way that it takes advantage of the row number in the ...
.u.init in tick/u.q
I don't understand how .u.init function works in tick/u.q. Can someone explain how it works ? What is w ? I thought x y and z would be implicit function arguments ? Are there 2 functions declared on line 6 ? The two functions are del and .z.pc ? If t...
Labels
-
.j namespace
1 -
.Q namespace
5 -
.Q namespace HTTP get
1 -
.Q.dpft
1 -
.Q.f
1 -
.z namespace
9 -
aoc
3 -
Apply
3 -
architecture
9 -
ArrayCast
6 -
arrow
1 -
attributes
7 -
authentication
1 -
best practice
2 -
best practice request
11 -
C API
1 -
C++
1 -
column
1 -
command line options
5 -
compression
1 -
Conda
1 -
CSV
1 -
datatypes
7 -
Dictionary
3 -
email
1 -
Euler
2 -
Events
1 -
execution control
10 -
feature
1 -
garbage collection
1 -
General
1 -
Hi
1 -
Hyperthreading
1 -
insights
1 -
Interfaces
7 -
IPC
19 -
issue
1 -
iteration
1 -
iterators
17 -
jdbc jar s.k error
1 -
joyofq
5 -
jupyterq
2 -
kdb
4 -
kdb and q
11 -
kdb+
5 -
kernel
1 -
keys
1 -
keywords
16 -
KX Developer IDE
3 -
m
1 -
macOS
1 -
map-reduce
1 -
matplotlib
1 -
memory management
4 -
ml
1 -
ml-toolkit
1 -
multithreading
1 -
nested columns
1 -
nested object
1 -
Non KX Product
1 -
o
1 -
odbc
1 -
one
1 -
operators
16 -
optimisation
1 -
other
36 -
parallel processing
1 -
partitioned tables
2 -
pykdb+
1 -
q
12 -
Q chk back fill issue
2 -
Q For Problems
1 -
retype
1 -
segmentation
1 -
study
1 -
sym
1 -
sym file
2 -
sym files
1 -
system commands
7 -
T
1 -
Table
3 -
Tableau KDB Incremental Refresh
1 -
telegraf
1 -
timing
1 -
updates
1 -
vectordojo
8 -
websocket
2 -
wj
1
New solutions
Main Office Contacts
EMEA
Tel: +44 (0)28 3025 2242
AMERICAS
Tel: +1 (212) 447 6700
APAC
Tel: +61 (0)2 9236 5700
Useful Information
Resources
KX. All Rights Reserved.
KX and kdb+ are registered trademarks of KX Systems, Inc., a subsidiary of FD Technologies plc.