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what is object-identity
Explain Data Dictionary in short?
Explain the challenges before an E-business management.
We will explain here an example database application having COLLEGE database and use it in showing several E-R modelling concepts. College database remains track of faculty, Stu
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
Describe the definition of a transaction in SQL Ans: The SQL transaction starts implicitly. Transactions are finished by either Commit work that commits the transaction and st
what is the relationship between receipt and owner entities in computer sales and service company
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
composite attribute
Explain the concept of deadlock Yes. It can direct to deadlock. Suppose that a batch of frames arrived correctly and were accepted. Then receiver will advance its window. Now s
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