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Define an abstraction by which relationships are treated as higher level entities
Ans: Aggregation.
It is an abstraction by which relationships are treated as higher level entities Aggregation. (In ER diagram, aggregation is utilized to denote a relationship as an entity set.)
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
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a project based on normalization with first, second and third normalization. There need to be a diagram also
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Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
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