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What is a disjoint less constraint?
Ans: It needs that an entity belongs to no much more than one level entity set.
Disjoint less constraint needs that an entity belongs to no more than one level entity set. (the meaning of Disjoint less constraint is that an entity can be a member of at most one of the subclasses of the specialization.)
Question (a) Differentiate between the following terms: (i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Hete
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Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
why are older data base model are being replaced by new data model
Data independence seems that "the application is independent of the access strategy and storage structure of data". In other words, the ability to change the schema definition in o
Describe domain constraints. Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The en
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
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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
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