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What is Data Warehousing? How is it different from operational/ production databases? Explain the difference between Data Warehousing and Business Intelligence and the difference between Data Warehousing and Data Mining?
What would be the total overhead cost per customer according to the activity based costing system? In other words, what would be the overall activity rate for the customer support activity cost pool?
Let R be a relation schema with a set F of FDs. Prove that the decomposition of R into R1 and R2 is lossless-join if and only if F+ contains R1 ∩ R2 → R1 or R1 ∩ R2 → R2.
Don't forget to underline key attributes for entity sets and include arrowheads indicating the multiplicity of relationships
Implement the entity relationship model provided in the sample solution of Assignment - Map the ERD into a set of relations in at least Third Normal Form (3NF). You must ensure that your relations meet 3NF. There is no need to show your working.
Create a database using Oracle packaged procedure
Consider the EER diagram for a car dealer in the figure below. Map the EER schema into a set of relations. For the VEHICLE to CAR/ TRUCK/ SUV generalization.
Select the best answer for each of the multiple choice questions below about the Structure Chart shown her
What is required to defi ne a well-posed learning problem ?
To analyse and comprehend a provided ER diagram and Database Schema and implement a database based on the provided ER diagram and Database Schema
What model would you use for this estimation? How accurate would it be and how would you obtain the estimate?
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
Create a multitier application: Use a grid control to display customer information from the Customers table of the Northwind database
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