
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Analyze the variations between the generic definitions of 2NF and 3NF and the main key-based definitions. Explain your thinking by providing an example?
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- Explain in detail the meaning of the terms "aggregation" and "generalisation" as they relate to two different kinds of connections in a UML class diagram.arrow_forwardShow that you comprehend what is meant by "normalization." Please include instances of 1NF, 2NF, 3NF, and BCF as well.arrow_forwardIn this comparison, I want you to point out the key differences between the UML and EER models. How far along its development path is the UML model?arrow_forward
- Just what is dynamic scoping, and when would you want to utilize it? How does dynamic scoping effect performance?arrow_forwardHow is dynamic scoping used, and what can be done to improve its efficiency?arrow_forwardPlease explain what dynamic scoping is, when it's used, and how it might be optimized for improved performance.arrow_forward
- How are the DDL's definitions implemented in practice? Can you name a few methods? How can I best provide a hand right now?arrow_forwardShow that you comprehend what is meant by "normalization." Please include instances of 1NF, 2NF, 3NF, and BCF as well.arrow_forwardWhat is dynamic scoping, and how ought one to use it? What performance effects does dynamic scoping have?arrow_forward
- Sort the generic definitions from the primary key-based definitions of 2NF and 3NF. Give a specific example to support the assertions you make in your argument.arrow_forwardWhat are the primary distinctions between the UML and EER models? What new UML features have been added in the last several years?arrow_forward2NF and 3NF are defined differently by the main key definitions than they are by the generic definitions. Give a specific example to support your claim.arrow_forward
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