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9 July 2022

4 January 2022

  • curprev 07:1307:13, 4 January 2022Razetime talk contribs 534 bytes +534 Created page with "{{primitive|![x;y;z;u]|in=K4}} '''Update''' is a special form of <code>!</code> in K4/qdb<ref>https://code.kx.com/q/basics/funsql/#update</ref> which takes 4 arguments. It updates a given table with the help of the given arguments. * <code>x</code> is the table to be modified. * <code>y</code> specifies the conditions to select rows. * <code>z</code>, a dict, selects columns and gives the placeholder names to use in <code>u</code>. * <code>u</code>, a dict, specifies w..."