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What is a heterogeneous distributed database? In a heterogeneous distributed database, dissimilar sites may use different schemas, and dissimilar dbms s/w. The sites may not be
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
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
Which method is used to key transformation ? A hash method is used to key transformation.
er diagtram for icici
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