Being a database expert create fragments of the given relation(table) “student” on the basis of the usage information and access information as given below.   Student aridno name email cell gpa class   Usage Information q1=Select * from Student q2=Select aridno, name from Student where gpa>value q3=Select name, email, cell from Student where class=value

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A: The, answer has given below:

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A: ERD has following components: Entities: Applicant Application Form Recommendation School center

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A: Answer:

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A: The term attribute in the relational database can be defined as a column of a table.

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Q: Problem 82 Write a query to display the lowest book cost in the system (Figure P7.82).

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A: Dear student , Required answers are as following. (1, and 2 answers are correctly given already)

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A:

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A: Solution:

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A: Lets see the solution.

Q: Explain the process of de-normalization and when it is appropriate to use in database design.

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Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.