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What is vertical fragmentation?
Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
what is object-identity
write a database program for concurrency transaction in a bank
What is Relational calculus? Relational calculus is a Non- Procedural language.
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
what is attribute is attribute inheritance in dbms?
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Differentiate between static hashing and dynamic hashing. Ans: Static Hashing comprises the number of primary pages in the directory fixed. So, while a bucket is full, we requ
Determine the advantage of object-orientation Finally, object-orientation has advantage of continuity throughout analysis, persistent representation and design implementation.
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to
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