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Explain what is Aggregation? Aggregation: Aggregation is an significant concept in database design whereas composite objects could be modelled during the design of database a
explain the steps for reduction of er model into relational model?
what are the main characteristics of database
does tables are called relations
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
What are deadlocks? How can they be avoided? Ans: Deadlock considers to a particular condition when two or more processes are every waiting for another to release a resource,
How external/conceptual mapping and conceptual /internal mapping is performed
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
Question : Mr. Smith Harry has a car manufacturing company which has recently integrated management information system. He wishes to obtain more information on ethics and socia
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