Oracle 8i VS Oracle 9i certificate

Hello:

     I want to get certificated as a DBA in oracle. There are two
     path:Oracle 8i and Oracle 9i. I am want to know which one has more
     applicatioin in the industry(in other words easy to get a job)


   a) I also want to know what are some good reference books for
      OCA exams.

    I found one titled" OCA Oracle9i Associate DBA Certification Exam     Guide" by Couchman and Marisetti. Is this book a good one?

    b) What are some good online resources that provide helpfull

       information on exams revieing and planty of exams questions.

   c) What are the good appoach to take the exams? Self study, Taking

      classes at a computer training school or remote educations?

   Please give me some advises. I will appreicate your help for sharing    your experience and insights:)!

jeff

8-12-03

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