About: Q (programming language from Kx Systems)

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Q is a programming language for array processing, developed by Arthur Whitney. It is proprietary software, commercialized by KX. Q serves as the query language for kdb+, a disk based and in-memory, column-based database. Kdb+ is based on the language k, a terse variant of the language APL. Q is a thin wrapper around k, providing a more readable, English-like interface. One of the use cases is financial time series analysis, as one could do inexact time matches. An example is to match the a bid and the ask before that. Both timestamps slightly differ and are matched anyway.

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  • Q is a programming language for array processing, developed by Arthur Whitney. It is proprietary software, commercialized by KX. Q serves as the query language for kdb+, a disk based and in-memory, column-based database. Kdb+ is based on the language k, a terse variant of the language APL. Q is a thin wrapper around k, providing a more readable, English-like interface. One of the use cases is financial time series analysis, as one could do inexact time matches. An example is to match the a bid and the ask before that. Both timestamps slightly differ and are matched anyway. (en)
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  • 1121845217 (xsd:integer)
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  • KX (en)
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  • 2020-03-17 (xsd:date)
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  • 4 (xsd:integer)
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  • q (en)
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  • 2003 (xsd:integer)
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  • Q is a programming language for array processing, developed by Arthur Whitney. It is proprietary software, commercialized by KX. Q serves as the query language for kdb+, a disk based and in-memory, column-based database. Kdb+ is based on the language k, a terse variant of the language APL. Q is a thin wrapper around k, providing a more readable, English-like interface. One of the use cases is financial time series analysis, as one could do inexact time matches. An example is to match the a bid and the ask before that. Both timestamps slightly differ and are matched anyway. (en)
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  • Q (programming language from Kx Systems) (en)
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