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Title: Database Question: Which of the following is not one of the three (3) types of models that make up ... Post by: jaredman384 on Dec 11, 2016 Which of the following is not one of the three (3) types of models that make up the ANSI/SPARK 3-schema model?
A. External Schema B. Physical Schema C. Internal Schema D. Conceptual Schema Title: Re: Database Question: Which of the following is not one of the three (3) types of models that make ... Post by: kpetrsen6925 on Mar 7, 2017 The one that does not belong is B. Physical Schema
ANSI-SPARC consists of 3 tiers: Internal: How the data is stored on the database is represented to the user. Conceptual: The relationship between the data members of the database, exactly what data is stored in it and what a user will need to use the database. External Layer: Allows a user to access a customized version of the data in the database. |