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Oracle Database Layer The Oracle database has 2 layers : 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. The physical layer consists of the files that reside on the disk and logical layer map the data to these files of physical layer. Prajakta Pandit 02-16-2017 05:33 AM

The answer is correct The two layers of any oracle Database is: 1. Physical layer 2. Logical Layer Vikash Prasad 02-18-2015 02:23 AM

This answer seems wrong. As per my knowledge Oracle database has 4 layers. 1-Application 2-Presentation 3-Session 4-Protocol Support Would you please check and confirm. Ankur Sharma 10-23-2013 09:29 AM

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