A Database System Separates the Logical and Physical View of Data.Such

question 47

Multiple Choice

A database system separates the logical and physical view of data.Such separation facilitates the development of new applications since programmers can concentrate their efforts on coding application logic.The term physical view refers to

• A)how a user or programmer conceptually organizes and understands the data.
• B)how the DBMS accesses data for an certain application program.
• C)how and where the data are physically arranged and stored.
• D)how master files maintain facts used by certain application programs.

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Definitions:

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