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(a) Differentiate between information and data .
(b) List and briefly explain five potential benefits of the database approach compared to conventional file systems.
(c) Differentiate between Database System and Database Management System Support your answer with an appropriate example of each.
(d) With the help of a diagram, explain the ANSI -SPARC Schema architecture. Why do we need mappings between Schema levels?
Design an algorithm to implement operations Each and every operation specified in the functional model could be formulated as an algorithm. The algorithm indicates how operat
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
Illustrate how you can use QBE to perform logical AND and OR operation
I need a help with my assignment of data envelopment analysis which is due for submission next week on monday the 10th Dec. Will you be able to help so that I can submit it on tim
Q. With the help of a suitable diagram gives module wise explanation of system architecture of DBMS. Sol. A Database management is a collection of interrelated data and col
exercise solution
What are the various properties of Relational tables? Relational tables have 6 properties: 1. Each row is unique. 2. Column values are of the same kind. 3. Values are
Although, the essential features of E-R diagrams are enough to design many database situations. Though, with more difficult relations and advanced database applications, it is need
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
what is check point in database management system
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