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Use of partial data by applications: In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather than whole data.
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
complete er diagram of textile industry management
I am going to develop a web site to present decision tree structure. For this, I want a web application with AJAX technology to connect the database and prepare the decision tree's
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
What are the two types of errors? The two types of errors are: a) Logical error b) System error
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
I need a help with my assignment of data envelopment analysis which is due for submission next week on monday the 10th Dec. Will you be able to help so that I can submit it on tim
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