K (programming language)

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K is a proprietary array processing programming language developed by Arthur Whitney and commercialized by KX Systems. The language serves as the foundation for kdb+, an in-memory, column-based database, and other related financial products. The language, originally developed in 1993, is a variant of APL and contains elements of Scheme. Advocates of the language emphasize its speed, facility in handling arrays, and expressive syntax.

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