This is very relevant in the context of the EU probe of the Oracle-Sun takeover. MySQL’s share of the database market, which is usually measured by revenue, is of course peanuts and estimated range from half a percent to something slightly more. Peanuts.

This is not surprising, considering an estimated 999 out of every 1000 MySQL users does not pay Sun/MySQL anything (although some might be Open Query clients and while MySQL has been targeting higher-end clients and corresponding higher revenue, its pricing is still far lower than the premium-cost of Oracle, DB2 and the like.

All this proves very clearly something which I’ve been saying for years (do scan back in my blog , the definition of market share is borked when it comes to Open Source and low-end disruptors (MySQL has been both although it might no longer be a low-end disruptor, having overshot the needs of a significant chunk of its users). The market …