InterviewSolution
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What Is Database Structure And Space Management? |
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Answer» An Oracle database is a collection of DATA that is treated as a unit. The PURPOSE of a database is to store and retrieve related information. The database has logical STRUCTURES and PHYSICAL structures. Because the physical and logical structures are separate, the physical storage of data can be managed without AFFECTING the access to logical storage structures. An Oracle database is a collection of data that is treated as a unit. The purpose of a database is to store and retrieve related information. The database has logical structures and physical structures. Because the physical and logical structures are separate, the physical storage of data can be managed without affecting the access to logical storage structures. |
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