Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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In data modeling, there are two types: logical and physical.
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- What, exactly, does the term "Abstract Data Type" (ADT) refer to? Explain the benefits of ADTs in detail. How can the idea of heredity aid in problem-solving?arrow_forwardWhich three layers of data abstraction exist?arrow_forwardWhat exactly is meant by the abbreviation "ADT" (which stands for "Abstract Data Type")? What are some of the benefits of using ADTs? How exactly does the concept of heredity contribute to the process of finding solutions to problems?arrow_forward
- The difference between a conceptual data flow diagram and an actual data flow diagram is that the former is more abstract.arrow_forwardAs a conceptual data flow diagram is more abstract than an actual one, the two are not interchangeable.arrow_forwardWhat does the term "Abstract Data Type" (ADT) refer to? What are a few advantages of ADTs? How can the idea of heredity facilitate problem-solving?arrow_forward
- In computer systems, conceptual data models are a kind of data model with a major focus on concepts.arrow_forwardHow can complex data types be utilized in object-oriented programming languages to model real-world entities more effectively?arrow_forwardWhat exactly is meant by the abbreviation "ADT" (which stands for "Abstract Data Type")? What are some of the benefits of using ADTs? How exactly does the concept of heredity contribute to the process of finding solutions to problems?arrow_forward
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