…in 2005), which is supposed to provide similar to DTrace functionality. Why I am interested in… some more fixes to SystemTap, so I decided to give it more try…intersect internal MySQL function and script (measure time, count of call, statistics) what you what. I did not figure out yet how to intersect…
Comment: How to find wrong indexing with glance view
August 23, 2008 By 27 Comments
… to IN instead of using BETWEEN [1]. As all boolean operators are ‘AND’, mysql can use either indexes built on multiple columns or intersection… with fotos only” and mysql can use index to filter records before fetching any rows. How much it will give? Not many, worth investigation…
