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Describe about the role of bitmap indexes to solve aggregation problems?
Ans) Bitmaps are very useful in begin schema to join large databases to small databases. Answer queries and bit arrays are used to do logical operations on the databases. Bit map indexes are very well-organized in handling Gender differentiation; also repetitive tasks are performed with much larger efficiency.
Define the term- Analysis The analysis involves some or all of the following stages: Fact finding - this is usually done in four ways. Understanding the current syst
Q. What is High level formatting? In any disk system the space at some time in use would become discarded and therefore will be free for other application. Operating system ass
data warehousing Data warehouse means Subject oriented Integrated Time variant Non-volatile collection of data for management's decisions. It is h
"A datagram cannot be larger than the MTU of a network over which it is sent." Is the statement true or false? Explain with the help of a suitable example. All hardware technol
What are the types of convergences? Three different types of convergences are: a. The convergence of wireless and e-commerce technology b. The Convergence of E-Commerce a
What are the differences between a Database index and a match code? Match code can have fields from several tables whereas an index can have fields from only one table.
Which operations is performed more efficiently by doubly linked list than by singly linked list Deleting a node whose location is given.
Q. Describe Set-Associative Mapping? A third type of cache organization known as set-associative mapping is an improvement on direct mapping organization in that every word of
Associativity of Connectives : Here brackets are very important in order to tell us where to perform calculations in arithmetic and logic. By using these brackets we evaluate
Hypertext vs Hypermedia Hypertext is basically the similar as regular text - it can be stored, read, searched, or edited - with a significant exception: hypertext having co
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