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The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Explain the Management of Data Store Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects
What is a super key? A super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity set.
what are information system hirarchy?
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
Describe the benefits of OOD techniques OOD techniques are very useful for development of large and complex systems. It has been noted that large projects that are developed u
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
Implementation and SQL Applications
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Create 1 experiment to demonstrate an aspect of query optimisation by using access-path structures (indexes), decomposition, or denormalisation. Once satisfied with your experiment
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