1.oracle pctfree和pctused详解

http://www.cnblogs.com/linjiqin/archive/2012/01/16/2323320.html

http://blog.csdn.net/huang_xw/article/details/6995442

2.Oracle中用创建表时Storage中参数的含义

http://www.cnblogs.com/rootq/articles/1089383.html

Oracle创建表时涉及的参数解析