kdb+
Computer application
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kdb+ is a column-based relational time series database with in-memory abilities, developed and marketed by KX. The database is commonly used in high-frequency trading to store, analyze, process, and retrieve large data sets at high speed. Wikipedia
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kdb+ is the world's fastest time series database and analytics engine, offering in-memory compute, extreme scalability, and q programming.
Documentation, white papers and developer resources for kdb+ and the q programming language from KX.
Kdb+ is a powerful database that can be used for streaming, real-time and historical data. Q is the SQL-like, general-purpose programming language built on top ...
Kdb+ stores database as ordinary native files, so it does not have any special needs regarding hardware and storage architecture. It is worth pointing out that ...
kdb+ is a database. You can use it through interfaces such as ODBC, or from Python, but its power and performance are best accessed through its own language ...
I got exposed to kdb+ while interviewing in quant and would kill to use it in a non-financial metrics setting, but the language and ecosystem just can't let ...