Question: The ORACLE database logical structure can be conceptually represented in an ER diagram. A portion of the ORACLE database structure is described by the following

The ORACLE database logical structure can be conceptually represented in an ER diagram.

A portion of the ORACLE database structure is described by the following sentences:

Each DATABASE is made up of one or more TABLESPACEs. Each TABLESPACE is part of exactly one DATABASE. Each TABLESPACE is made up of one or more DATA_FILEs. Each DATA_FILE is part of zero or one TABLESPACE.

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