CHAPTER 3Oracle Architecture

Try to imagine, how Confucius, Buddha, Jesus, Mohammed or Homer would have reacted when they had been offered a [computer].

—Edsger Dijkstra, advocate of structured programming andwinner of the 1972 Turing Award, in "Correctness Concernsand, Among Other Things, Why They Are Resented"

Just as an automobile engine has a lot of interconnected parts that must all work well together, and just as an automobile mechanic must understand the individual parts and how they relate to the whole, the Oracle database engine has a lot of interconnected parts, and the database administrator must understand the individual parts and how they relate to the whole. This chapter provides a short overview of the Oracle engine. Of course, ...

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