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Which method is used to key transformation ? A hash method is used to key transformation.
(a) Why did SAP introduce the extended star schema?
limitations and benefits in database tecknowlagy
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
How do I begin
Describe analysis of access paths To describe analysis of access paths, consider an example of the design of a company's employee skills database. A part of the object model fr
Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data
explain exhausitively the problems associated with er diagrams with ellustrations
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
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