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A county wishes to create a database to control its local libraries. Each library has a number of employees, one of whom is designated as the manager of the library and is responsible for supervising employees and the general day-to-day management of the library.
Each library stores a number of books and CDs. A citizen has to become a member of a library before he/she is allowed to borrow any books, but thereafter can borrow books from any county library. Generally, a library stocks a number of copies of each book title and each CD. Details of books publishers are maintained but not CD publishers
Consider a student club or organization in which you are a member. What are the data entities of this enterprise? List and define each entity.
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
Explain the information-gathering techniques and design methods you would suggest to use for project. Recognize the key factors that help ensure the information required for the project.
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Is software measurement equivalent to software metrics? What makes them different?
Explain these situations. When would the database be more beneficial than sequential file? Is it possible for two kinds of permanent storage to be used interchangeably?
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
Create a database using Oracle packaged procedure
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes.
Create an arff file with the following data types, flags, unit_id, names must be nominal and timestamps (ts) must be date
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