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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
Law Associates is a large legal practice based in Sydney. You have been asked to design a data model for the practice based upon the following specification: The practice employs
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
a brief definition
Attributes and its types explain?
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
Scenario: You are a freelance database designer who has just been contacted by a small software development company named Altair Software. The president of the company has asked
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
What is the max. no. Of structures that can be included in a table or structure. Nine.
Chapter 10a review questions
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