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Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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
ER diagram on cosmetics
Define the following constraints for the table client. (i) BAL_DUE must be at least 1000. (ii) NAME is a unique key. (i)ALTER TABLE CLIENT ADD CONSTRAINT CLIENT_BAL_DUE_C1
Develop a database broker framework to implement a persistence mechanism for the domain objects involved in the use case dealt with in Question 2. a. Specify the attribute type
Define Deadlock recovery measures To recover from deadlock, the cycle in the wait-for-graph should be broken. The common technique of doing this is to rollbac
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
(a) Why did SAP introduce the extended star schema?
Differentiate strict two phase locking protocol and rigorous two phase locking protocol. In strict two phase locking protocol all exclusive mode locks taken by a transaction is
give me a diagram about physical or internal level
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