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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
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i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
Explain the disadvantages of creating a temporary table? If you have already created a temporary table with a shown name and attempting to create a second one with that nam
If R1 and R2 are two union compatible relations or functions, then the result of R3 = R1 ∩R2 is the relation that contains all tuples that are in both the relations In other words,
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
What are the different strategies of implementation of the Statecharts? There are two strategies for implementation of state charts: i) Basic Implementation Strategy
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