the following relational schema of a database library (primary keys are underlined and foreign keys are preceded by #): Student(studentNumber, StudentName, studentAddress) Book(bookNumber, bookTitle, #authorNumber, #editorNumber, yearEdition) Author(authorNumber, authorName, authorAddress) Editor(editorNumber, editorName, editorAddress) Borrow(#studentNumber, #bookNumber, borrowDate, returnDate) Write the following queries in Relational Algebra: List the details (bookNumber, bookTitle) of books whose author’s name is ‘Ramakrishnan’

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A: Given : The relational database schemas are as follows:department(dept-name, building,…

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A: Given: Consider the following relations in the relational schema for a database that keeps track of…

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Q: A top-to-bottom relationship among the items in a database is established by a: A Hierarchical…

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Q: Student(studentNumber, StudentName, studentAddress) Book(bookNumber, bookTitle, #authorNumber,…

A: The relational algebra for the given query is as follows,

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A: Answer in step2 Note--since in E-R diagram cannot show foreign key so we are giving possible foreign…

Q: A top-to-bottom relationship among the items in a database is established by a

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Q: Map the database schema shown in the following figure into a relational database schema. grade…

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A: the answer is an given below :

Q: BOOK Book_id Title Publisher_name BOOK AUTHORS Book_id Author_name PUBLISHER Name Address Phone…

A: Objective: The relations for the library database are provided specifying the key attributes, i.e.…

Q: 16.Consider a relation R = (A,B,C,D,E) with the following functional dependencies: {C,E → D,   D →…

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Q: relational database

A: Given :- In the above question, a relational database schema along with the primary key is mention…

Q: Consider a database with the following schema: Person ( name, age, gender )        name is a key…

A: SUMMARY: -   Hence, We discussed all the points

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Q: Answer any IHREE out of the FOUR questions in this section in the answer sheet provided. Each…

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Q: Mạp the following EER Design into a relational database. Specify primary key and referential…

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Q: Student(student Number, StudentName, studentAddress) Book(bookNumber, bookTitle, #authorNumber,…

A: The relational algebra for the given query is as follows,

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A:

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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.