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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.
How can you connect to the MySQL Server? In order to connect to the MySQL server it is necessary to give the username and password so this be able to done with The following
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
What are composite attributes? Composite attributes can be separated in to sub parts.
Which database level is closest to the users? External database level is closest to the users.
How many physical thing?
Consider the following database containing five transactions. Let min_sup = 60%. Mine all frequent itemsets using Apriori and FP-growth algorithm. Compare the efficiency of the t
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Question: (a) What are decision support systems, and what role do they play in the business environment? (b) Data mining is a knowledge discovery process of automated extr
What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu
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