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(a) Explain the three types of potential mistake which could occur if concurrency control is not properly enforced in the database system. Support your answer with appropriate ex
Use the IRIS dataset that comes with Weka to compare the classification performance of the following algorithms. 1. NaiveBayesSimple 2. MultiLayerPerceptron J48 (
With the help of a diagram defines the typical element modules of a DBMS? The functional elements of a database system can be widely divided into: 1) Storage manager and 2) q
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
Why a report generator is used ? Report generator is used for print files on paper.
(a) Why did SAP introduce the extended star schema?
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
How many physical thing?
Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
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