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OCA/OCP Oracle Database 12c All-in-One Exam Guide (Exams 1Z0-061, 1Z0-062, & 1Z0-063), 2nd Edition by Bob Bryla, Roopesh Ramklass, John Watson

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CHAPTER 12

Architectural Overview of Oracle Database 12c

Exam Objectives

• 062.2.1    List the Architectural Components of an Oracle Database

• 062.1.2    Explain the Memory Structures

• 062.1.3    Describe the Process Structures

• 062.1.4    Explain the Relationship Between Logical and Physical Storage Structures

An Oracle server consists of two entities: the instance and the database. The instance consists of memory structures and processes, whereas the database consists of files on disk. Within the Oracle server there is complete abstraction of logical storage from physical storage. The logical structures that programmers see (such as tables) ...

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