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Describe the difference between a one-to-many and a many-to-many relationship. Which logical data structures comprise one-to-many and which comprise many-to-many relationship?
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
Define According to the levels of abstraction, the schema at the intermediate level is called Ans: As per to the levels of abstraction, the schema at the intermediate level is
Although, the essential features of E-R diagrams are enough to design many database situations. Though, with more difficult relations and advanced database applications, it is need
what is cascading rollback
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
(a) Why did SAP introduce the extended star schema?
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
Write a short note on oracle Instance? Oracle Instances: An instance is the (executed) Oracle software and the memory they use. It is the instance which manipulates the data s
Use the IRIS dataset that comes with Weka to compare the classification performance of the following algorithms. 1. NaiveBayesSimple 2. MultiLayerPerceptron J48 (
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