As usual, a good thing might turn worse in wrong hand. As Sun Microsystems plans to buy MySQL AB for USD 1 billion (yes, b, not m) you might think what the future is. According to Sun, MySQL market domination is around 80% while Microsoft SQL Server and Oracle take less than 10%.
Major Open-source MySQL Database Server users are small to middle companies in which budget is consideration. Since MySQL has reached version 5, it is very mature and stable not to mention its speed and reliability.
The purchase will be closed in Q3 or Q4 this year,we just can pray that MySQL is in the correct hand.