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Objectives
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
describe objectivde of file organisation
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Define the Division Operation of Relational Algebra Let R be a relation comprising attributes (A1,...Ap,Ap+1,...An) and S comprising attributes (Ap+1,...An) DEF: Division
Question : (a) Data mining is one of the best ways to analyse data and using software method, hidden and unexpected patterns and relationships in sets of data can be extracte
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
define normalisation and functional dependency
coventions for displaying an ER schema as ER diagram
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
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