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explain normalisation
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
recovey techniques based on deferred update and immediate update
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
Illustrate the view of software architecture A model is a semantically closed abstraction of system composes of elements. It can be visualized using any of the following five v
The issues relating to the Design of the Physical Database Files Physical File is a file as stored on the disk. The major issues relating to physical files are: • Cons
What is meant by Physical blocks? The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
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