A second difference is that a q table is stored physically as a collection of column lists. This means that operations on column data are vector operations.
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The main query expression is the 'select expression', which in its simplest form extracts sub-tables but it can also create new columns. The general form of a ...
The query templates of qSQL share a query syntax that varies from the syntax of q and closely resembles conventional SQL. For many use cases involving ordered ...
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Text as Data - q is a command line tool that allows direct execution of SQL-like queries on CSVs/TSVs (and any other tabular text files).
Aug 9, 2019 · This blog post gives users with a basic knowledge of SQL a brief introduction to querying q/kdb databases, with a focus on filtering data.
Query statements scan one or more tables or expressions and return the computed result rows. This topic describes the syntax for SQL queries in GoogleSQL ...
Mar 23, 2013 · q= is an empty variable in the query string, #/ and everything after that is data for JavaScript to process. The slash(es) in the hash string ...
q tables are a set of column lists which allows for vector operations directly. Any analytical operation such as aggregating, reducing, filtering apply blazing ...
Q is a programming language for array processing, developed by Arthur Whitney. It is proprietary software, commercialized by Kx Systems. Q serves as the query ...
Mar 31, 2017 · I have gone through docs and this SO post. I constructed a q_query dictionary with all required info. ipdb> q_queries {'queries': [{'status': ' ...
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