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What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
Discuss the methods for a hash file to expand and shrink dynamically. What are the advantages and disadvantages of each? The hashing methods that permit dyanamic file expansi
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
About Attribute inheritance
Group By clauses • It is used to group database tuples on the basis of definite common attribute value like as employees of a department. WHERE clause still can be used
what benefit can a company gain by managing its own infrasture and services
Consider an information system designed for an online company which provides IT products and services. These include desktops, laptops, networking products, IT books, parts, and te
explain exhausitively the problems associated with er diagrams with ellustrations
Winfield is a small city with a population of 22,000 with buses serves three routes in Winfield and neighboring areas. As the city’s IT director, you have been asked to set up an i
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
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