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What is a client-server system? What are the main features of a client-server system? Describe the architecture of a client-server system.
While browsing around the WWW, identify, locate and describe a website which uses a 3 tier Architecture, discuss each layer of that website including how to query the website, and the type of database working on the website. Include additional features of the application interface to the website.
Why is SQL Data Access considered middleware? Explain the purpose of SQL Data Access. How does it differ from other types of middleware?
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.
question 1explain ten desirable features which may be included in the design of a warehouse. question 2how have to a
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
How must a database designer balance the time to complete data modeling steps with the benefits the data modeling process offers in creating a database? Consider examples from your work place and class assignments.
The system should support notifications to management personnel whenever their direct reports have submitted documentation. The system should also notify employees if their deadline to complete professional-development requirements is approaching ..
Develop a scope statement for the project and describe product characteristics and deliverables.
Discovery-driven cube exploration is a desirable way to mark interesting points among a large number of cells in a data cube. Derive an efficient computation method to identify such points during the data cube computation
Identify the Functional Dependencies in R. Be sure to maximize the number of attributes on the right hand side (RHS) and minimize the number of attributes on the left hand side (LHS) of each FD. You should exclude any trivial FDs in your answer.
Why are these so significant yet so frequently ignored by developers? Write the long term problems when these constraints are not implemented? "
Write the SQL DDL to create the database that contains each of the relations shown in the above ERD and write and execute SQL definition commands
Create an XML file with markup tags and some sample data to represent a list of invoices. Include the XML tags for two invoices in the list. Also, assume the invoices are created from a database whose tables are shown in the following database re..
Abel Company uses activity-based costing. The company has two products - estimated costs and expected activity
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