As Oracle are progressing to acquire Sun, the future of MySQL is at stake. Read Monty's article about this at http://monty-says.blogspot.com/2009/12/help-saving-mysql.html to understand this issue better.
After searching for hours for Google Chrome 64-bit for Mandriva 2010, I found this one works great. Please expect some bugs. At least flash plugin works with the help of Mozilla's. This package may work for other distro too. You have to try it yourself.