Kdb Alternatives
Similar projects and alternatives to kdb
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InfluxDB
Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.
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SonarQube
Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.
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kdb reviews and mentions
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Ngn/k (free K implementation)
> let's say I have a finance team that have never heard of it - why might they be interested?
In my experience it's very good at quickly developing real-time analytics applications with only a small set of developers. A couple of q developers can develop, maintain and operate the server side of 5 or 6 separate applications without breaking a sweat. Changes come in at a high speed too.
It's a highly interactive language. A bit like a lisp, you start up a q process, open a port and then you iterate and update your application live without needing to restart. Typically on our projects we've had a well iterated program running in QA for a day or 2 before opening a PR (which becomes more of a formality for getting the solution to the problem into prod at that stage).
The q language itself is quite wordy. Check the reference page: https://code.kx.com/q/ref/ Many programs written in q consist mainly of the key words with the special operators interspersed. Also see some example libraries: https://github.com/finos/kdb
It's been a fairly stable language to work with, having few breaking changes between successive versions. q code written 8/9/10 years ago on older versions will most likely still run the same today. We have source code on one project at work which hasn't had a code change in 6 years now (despite moving through different versions 2.8->3.0->3.3->3.5->4.0) and it runs daily without a hiccup.
Mostly it's a joy working with it because I feel like I get to tell the computer what I want it to do, without also having to tell it how to do it.
> so I was just curious if there were any array languages that would be approachable to me
q is a very wordy language that sits on top of K4. Some open source examples of libraries used in finance:
Stats
finos/kdb is an open source project licensed under Apache License 2.0 which is an OSI approved license.