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A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
When every condition appears with equality condition (=) only. c) Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha
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
Explain the components of Database System in details.
Which method of access uses key transformation? A Hash method of access uses key transformation.
Consider the subsequent relations along with keys underlined Street (name, location, city) House (number, street_name) Lives (name, house_number) Define the above relations
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
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