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You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Illustrate how you can use QBE to perform logical AND and OR operation
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by
Need a sample of a clinic database relationships
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
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