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"Nothing more than a few sentences. There is no word limit. I would not put more than a paragraph into it.
"Databases can enforce business rules on permissible values by implementing declarative constraints in the database. These include NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints.
Why are these so important yet so often ignored by developers? What are the long term problems when these constraints are not implemented? "
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
MCIS 630 Database Systems: - Write a recursive SQL query that outputs the names of all subparts of the part with part-id “P- 100”.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Explain what is the purpose of Database? The purpose of a database is to store information about certain types of objects. Give an example of two related TABLES.
Data Modelling (database) require 8 page essay covering the following subjects: Organizational Intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts.
From information system point of view, we should take the key functions of organization and map them to strategic information. Do your companies follow this process or are steps skipped?
University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes.
Show all the data in each of the four tables. Do not show foreign key columns. Write names and e-mail addresses for all customers who have had a stove repair that cost more than $50.
A small business with 100 computer workstations is installing a new local area network. All of the users perform the usual operations of e-mail. State your reasoning. Draw a floor plan for each If possible, show both floor plans on one page.
Identify the business processes which would be evaluated and tracked with a DW/BI application and state your reasoning or justification for including these in the DW/BI.
You are to design a prototype for a hospital management system. Design a data model for this system, Convert the data model to a set of virtual windows.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
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