OCA Oracle Database 12c Installation and Administration Exam Guide (Exam 1Z0-062), 2nd Edition

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CERTIFICATION OBJECTIVES

6.01 Describe the Storage of Table Row Data in Blocks

6.02 Create and Manage Tablespaces

Two-Minute Drill

Q&A Self-Test

Users never see a physical datafile. All they see are logical segments. System administrators never see a logical segment. All they see are physical datafiles. The Oracle database provides complete abstraction of logical storage from physical. This is one of the requirements of the relational database paradigm. As a DBA, you must be aware of the relationship between logical and physical storage. ...

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