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want a idea for final year project
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. Mult
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Explain the structure of well formed formulae in relational calculus. Ans: a. An atom is a formula b. If P1 is a formula, after that so are ¬P1 and (P1) c. If P1 and P2 a
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
For every n-ary relationship type R where n>2, we make a new table S to represent R. We contain as foreign key attributes in s the primary keys of the relations that show the parti
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
Explain in details about the f unctions of DBA ?
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