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, q. Q is a general-purpose programming …

Vector Conditional is a q operator that replaces selected items of one list with corresponding items of another.

For cloud deployment, see kdb Insights Core. This work is licensed under a Creative Commons Attribution 4.0 International License. Kx and kdb+ are registered trademarks of Kx Systems, Inc., a …

Quick reference for kdb+ and the q programming language

vs is a q keyword that performs various functions under the scheme vector-from-scalar (atom).

For performance-related reasons, discussed in kdb+tick profiling for throughput optimization it is recommended to publish multiple rows at once so that bulk inserts can be performed on the …

select and Select are (respectively) a q keyword and operator that select all or part of a table, possibly with new columns.

14.6 Kdb Database Many kdb+ newcomers find the notion of a kdb+ database shrouded in mystery. In this section, we answer common qbie questions. What is a kdb+ database? How is it different from …

Dec 11, 2023 · The kdb Visual Studio Code extension is a companion extension for kdb developers to edit q files, connect to kdb processes, and run queries. This VS code extension can be used …

Aug 4, 2023 · Where t1 is a table. Since 4.1t 2023.08.04 if t1 is the name of a table, it is updated in place. t2 is a simple table c is a symbol list of n column names, common to t1 and t2, and of …