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Datawarehouse Case studies, Database Management System
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
Posted Date: 1/18/2013 2:23:04 PM | Location : United States
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Data warehouse, XYZ is a large chain of home entertainment rental over 100 ...
XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
When is update_statistics command used, When is UPDATE_STATISTICS command u...
When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place
In which relational modes cardinality is termed, In which relational modes,...
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
What is foreign key, What is foreign key? Foreign Key - Let there are...
What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
Describe the algorithm for updating indices, Describe the algorithm for upd...
Describe the algorithm for updating indices for a single level index when a record is (i) Inserted (ii) deleted What will be the modification if there are multilevel in
What is the aim of object design, What is the aim of object design The ...
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Give the reasons for allowing concurrency, Give the reasons for allowing co...
Give the reasons for allowing concurrency? The reasons for allowing concurrency is if the transactions run serially, a short transaction might have to wait for a preceding long
Dbms built for online transaction processing, Problem: A DBMS built for...
Problem: A DBMS built for Online Transaction Processing (OLTP) is usually regarded as unsuitable for data warehousing. Each system is designed with a different set of requireme
Information infrasture, what benefit can a company gain by managing its own...
what benefit can a company gain by managing its own infrasture and services
Illustrate package classes and associations into models, Package classes an...
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
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