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What is relationship? Give examples
A relationship is an association between several entities.
Example: A depositor relationship associates a customer with every account that he/she has.
explain thee diffrent types of data models
write a database program for concurrency transaction in a bank
under what condition log based recovery is feasible?
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
entity relationship diagram for online examination system
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
What is a Transaction? A transaction is an event which happens on the database. Generally a transaction reads a value from the database or writes a value to the database. If y
Advantages And Drawbacks Of Ddbms There are various reasons for building distributed database systems, with sharing of data, reliability and availability, and speedup of query
what is query processing ,query optimization and performance turring?
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