今天一个问题深有感触：
Don't believe a customer when they say they didn't do it. Get evidence.
[@more@]Don't believe a customer when they say they didn't do it. Get evidence.Oracle说不要相信用户,所以我们要学习值得信任,学习严谨,学习认真.学习对数据负责,对自己的行为负责.你也可以从Oracle的官方站点上，找到相应的说明文档，参考以下链接:Oracle MetaLink—Your Self-Service Portal
Data Sheet: Oracle MetaLink (PDF)
Internet Seminars: Oracle MetaLink