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State the definition of association
An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, association is shown as a solid line connecting same or different class. The notation for association among nodes is shown as
Figure: Association between nodes
Give an example of Object Representation For illustration, consider the implementation of a social security number within an employee object that is shown in Figure. The soci
Compare three clustering algorithms in Weka. For this comparison, you will need to use at least two different datasets. Run the algorithms on the datasets, and use the visual
Illustrate the term- Abstracting Out Common Behaviour Inheritance is not every time recognised during analysis phase of development, thus it is necessary to re-evaluate object
A Data Model in software engineering is an abstract model that organizes and documents the business data for interaction between team members and is used as a plan for creating
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Which component is not included in database environment ? A users component is not included in database environment.
What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.
Unrepeatable reads : Assume T7 reads X twice during its implementation. If it did not update X itself it could be very disturbing to see a dissimilar value of X in its next read. B
Define Deadlock detection If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
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