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You are required to write a report which evaluates two of the following issues in relation to your case study database:
a. Security issues
b. Performance issues
c. Backup and recovery
High marks are more likely to be awarded to reports that include material outside that covered in lectures and lecture handouts (and cited and referenced correctly using Harvard referencing). Note that there must be consideration of how these issues apply to the case study organisation's database, not just coverage in general terms.
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
What is meant by buffer blocks and disk buffer The blocks residing temporarily in main memory are referred to as buffer blocks. The area of memory where blocks reside t
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
Define garbage collection. Garbage may be formed also as a side effect of crashes. Periodically, it is essential to find all the garbage pages and to add them to the list of fr
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
in an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
write-set(T): Each data items that are written by a transaction T
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
Consider the relations EMPLOYEE(emp#, name) ASSIGNED_TO(project#, emp#) PROJECT(project#, project_name, chief) Express the subsequent queries in Relational Algebra (i) Ge
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