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Explain the cartesian product in Database Management System
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
how map binary relation one to one
Creating a view: A query can be embedded within the CREATE VIEW STATEMENT A query can have complex select statements containing join, groups and sub- queries A quer
Creating views with check option : This option limits those updates of data values that cause records to go off the view. The following instance tells this in more detail: Examp
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
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Illustrate the collaboration and relationship diagram A collaboration is the society of interfaces, classes and other elements which work together to provide some cooperative b
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
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