kdb+ Reviews

6 Ratings
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Score 8.0 out of 100

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Reviews (1-4 of 4)

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January 08, 2016
ROHAN MANE | TrustRadius Reviewer
Score 8 out of 10
Vetted Review
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I work in the equities area, where we use kdb for most of our real time tick data requirements. Tick data in our case ranges from market data, real time analytics, live PNL and orders data etc.
  • It is really fast if chosen for the right problem.
  • Large logic can be shrunk into a tiny snippet.
  • It provides a column oriented database, where each column in a table is a vector. Thus you can perform very fast analytics using its vector processing power.
  • It is sometimes painful to accept the fact that KDB+ is not fully multithreaded.
  • The ability to write shorter code for a complex logic is really good. But it makes it really cryptic. Cryptic codes are very difficult to maintain and extend.
  • For some small institutions license cost is little high.
kdb is well suited for real time tick data and time series analytics.
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January 05, 2016
Ye Tian | TrustRadius Reviewer
Score 10 out of 10
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I've been using kdb+ in the context of storing and generating analytic from large financial data set for over 10 years. IMHO, no other product provides the performance and flexibility remotely close to kdb+. The build-in language q is very terse and expressive. In one of my former jobs, traders were creating new quantitative models almost "in the speed of thoughts" with kdb+. That really gave us the edge of "time to market".
  • Time series analysis. The built-in vector operations are extremely fast. Also with the q language you can code up any customized analytical ideas quickly.
  • The database are all file based, very easy to maintain.
  • Very solid and fast interface to websocket, so you can interface with javascript easily.
  • The learning curve is a little steep in the beginning.
When you are dealing with large scale time series data, [there are] no better alternatives. I've seen some firms use other so called "big data" alternatives, and claim they can store the data just as efficiently. However, once you want to generate sophisticated analytics from the data, nothing beats kdb+.
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July 29, 2016
Anonymous | TrustRadius Reviewer
Score 8 out of 10
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We use kdb to store and analyze real time market data for transaction cost analysis.
  • Process large amounts of time series data
  • Perform quick calculations without use of cursor
  • Use of window joins and as of joins
  • Hard to read
  • Hard to find knowledgeable developers
  • Lack of good IDE
It is best for large data sets that have one common index across multiple tables.
We don't use it.
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December 14, 2015
Anonymous | TrustRadius Reviewer
Score 6 out of 10
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kdb+ is very useful in the trading world as it allows analysts to look at huge amounts of data quickly and somewhat easily. Speed was a huge factor.
  • Efficient computing.
  • Code interpretation is fast.
  • Designed with finance in mind.
  • The language is difficult to learn.
  • Better solutions are needed for breaking loops without resetting servers.
  • Include basic templates for fields such as finance, medicine, etc.
For large data sets, kdb+ is very tough to beat, however it is not user friendly to pick up and use on the go.
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What is kdb+?

kdb+ is a time series database from kx headquartered in Palo Alto, California, a division of First Derivatives.
Categories:  Time Series Databases

kdb+ Technical Details

Operating Systems: Unspecified
Mobile Application:No