Oracle 社区动态、中文讲座，最佳实践

https://community.oracle.com/thread/3789691
https://community.oracle.com/community/support/%E4%B8%AD%E6%96%87%E7%A4%BE%E5%8C%BA/%E6%95%B0%E6%8D%AE%E5%BA%93