yong huang是Oracle的大虾。
他有怎么一段话，我觉得说的非常好。我也是按照他的建议来学习和提高自己的，感觉受益非浅：
The best book to learn is official Oracle documentation. It's accurate and very well written and easy to search. It's said it's so better written than SQL Server documentation that people coming from SQL Server background usually don't believe reading documentation is so useful.
Regarding UNIX study, if you don't want to spend too much time on system administration, you may play with David Korn's UWin (UNIX for Windows, search for the URL) or cygwin (www.cygwin.com). Learn basic commands and utilities.
To beginners: it's a bad idea to learn Oracle from GUI, Oracle Enterprise Manager and the like. Memorizing SQL commands helps you in the long run. And never forget to calmly sit down reading Concept manual one page at a time and plan to read it for at least 3 months. It turns you into an expert the fastest way.
One last suggestion: keep browsing public forums like this one and keep your own Oracle instance running while you read messages, so you can do your own lab test immediately when you're in doubt of something, or want to reproduce somebody's problem.
I hope the above advice comes across to all beginners.
Yong Huang
离题了，但还是希望你能喜欢。
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