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Describe association design of an object by giving one suitable example of it.
The Design of Associations
Associations are "glue" of advanced object oriented analysis and design model. Association provides access paths among the objects. It is a type of conceptual entity which can be used for analysis and modeling of object. For example:
Figure: A simple form of Association
education.
Explain concept of inheritance with support of suitable example. Inheritance Inheritance is one of milestone of object-oriented programming language as it allows a creati
Why older data models are being replaced by new data modelling 100 words accepted#
Distributed Database Management System
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
Question: Consider the following database relations for a textbook ordering system used by a college bookshop: Book (b-copy#, bname, ISBN#, author, price, subject) Order (s#
why we fregment at all?
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
A table joined with itself is called ? A table joined with itself is known as self join table. Normal 0 false false false EN-IN X-NONE X-NONE
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