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Association as a cache
This association must be updated when any new element is added to it, but testing for overlap using association is more efficient.
Figure: Association as a cache
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
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The PROJECT operation The project operation is used to choose the records with specified attributes as discarding the others based on some related criteria. This is denotes as ∏
what is cascading rollback
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complete assignment on the above title.
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