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Objectives
After reading this part, you should be able to:
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
What Is Recovery? During the life of a transaction, i.e., a after the start of a transaction but before the transaction commits, various changes may be made in a database state
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
3 assignments combined in 1
Event Occurrence of a process is called event. In other words, the object can receive many input instructions. The changes which occur due to these instructions are known as e
Explain the concept of a data model ? Data Model - Model is an abstraction procedure which hides irrelevant details although highlighting details relevant to the application
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
recovey techniques based on deferred update and immediate update
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
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