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Explain the Management of Data Store
Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects in models need to be constant to store the state of object permanently in database. Most systems need constant data which is not lost when system closes down. These data are stored in file system in database. Object-oriented applications sometimes use relational databases to provide persistence.
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
what is the relationship between receipt and owner entities in computer sales and service company
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Types of Data fragmentation
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