https://blog.wongcw.com/2018/10/02/10%e6%9c%88%e5%85%a8%e7%90%83%e6%95%b0%e6%8d%ae%e5%ba%93%e6%8e%92%e5%90%8d%ef%bc%9aoracle%e5%92%8cpgsql%e5%a2%9e%e9%95%bf%e4%bb%a4%e4%ba%ba%e7%9e%a9%e7%9b%ae/
10月全球数据库排名:Oracle和PgSQL增长令人瞩目