Yes, you can easily switch between K and Q (and call functions defined in either language from the other [side of the same coin]). K4 is a significantly more p

Yes, you can easily switch between K and Q (and call functions defined in either language from the other [side of the same coin]). K4 is a significantly more powerful language (tables are a first-class data type). Stevan Apter summarized the differences here: http://groups.google.com/group/personal-kdbplus/msg/f18fb3a8f69fc875 http://groups.google.com/group/personal-kdbplus/msg/f18fb3a8...