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Q1) Views are an integral part of virtual private databases, yet views are used for many other reasons. Using other sources, such as the Internet, determine the many other uses for views and briefly explain how each is used. Use examples to illustrate your point.
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
Describe the characteristics of a Relational Database Management System (RDBMS).
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
The relations given below keep track of airline flight information:Flights(flno: integer, from: string, to: string, distance:integer, departs: time, arrives: time, price: real)Aircraft(aid: integer, aflame: string, cruisingrange: integer)
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Its a lead a project that will implement a new learning management system for your university. You have two key tasks: Task 1: Investigate learning management software packages that are available through application service providers.
Explain the content of this document in natural language;Design the graph representation of document;
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