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Problem:
‘Users and Information system specialists need to spend inordinate amounts of time locating and gathering data' (Watson and Hal, 1998)
Recent developments in the area of Data Warehousing and its associated technologies claim to be able to improve information management in organisations.
Required:
(i) Describe the terms ‘Database' and ‘Data Warehouse'.
(ii) Show how the Data Warehousing approach to information management improves on the Data Base Management Systems (DBMS) approach.
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
) 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 picto
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact
job scheduling for different cubes
Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
Question 1 What do you mean by database management system? Question 2 Write a note on Object-Oriented Model Question 3 Explain Sequential File Organization Question
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