… “Query Cache” which is quite helpful for MySQL Performance optimization tasks but there are number … queries only – Meaning it does not work for subselects, inline views, parts of the UNION. This …of course inserts so you can see how much of inserted queries are used: Qcache_hits/Qcache_inserts …
Post: MySQL and PostgreSQL SpecJAppServer benchmark results
July 25, 2007 By 13 Comments
… most of MySQL sweet spots come from. MySQL performance gains usually come from MySQL unique features – non transactional MyISAM, Multi Value inserts, Query Cache… slower at connection creation and MySQL is very fast, while SubSelect optimization is very bad in MySQL for many cases until MySQL 5.2
Post: Air traffic queries in InfiniDB: early alpha
November 2, 2009 By 19 Comments
…) at line 1: CAL0001: Insert Failed: St9bad_alloc Alright, colxml …mysql> show warnings; +——-+——+————————————————————+ | Level | Code | Message | +——-+——+————————————————————+ | Error | 9999 | Subselect…
Comment: Database problems in MySQL/PHP Applications
August 11, 2006 By 13 Comments
… database background. > Things are different with MySQL. Good design will help dictate how … key references may add processing time to inserts, updates, and deletes but there are other benefits…case. > This most applies to subqueries Where Subselects with IN() become > corellated even if they…
