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Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms?
Question 2 Describe the concepts of Structural Semantic Data Model(SSM)
Question 3 Describe the following with respect to Object Oriented Databases
Question 4 Describe the Differences between Distributed & Centralized Databases
Question 5 Explain the following
Question 6 Describe the following
Forward Recovery (Redo): In this system the committed changes made by a transaction are reapplied to a previous copy of the database. In simpler
Problem: a) Briefly describe what you understand by Client-Server environment b) The File Server is a simple form of Client-Server. Describe the principles of the File Serve
prototype of a distributed information system for a national car part retail outlet chain.
he SQL query that will return the order number, quantity ordered, price each and total cost of an order (quantity * price each) from the order details table. Label the calculated c
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
What are the disadvantages of relational approach? Disadvantages of relational approach: • Substantial hardware and system software overhead • May not fit all business models •
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
I have a homework assignment due today by midnight. I need help understanding databasse normalization and determining the type of form violation & how to fix the violation.
For the relations answer the following queries in SQL Street (name, location, city) House (number, street_name) Lives (name, house_number) (i) Obtain the names of persons who liv
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