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Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
what is attribute is attribute inheritance in dbms?
Give an example of Object Representation For illustration, consider the implementation of a social security number within an employee object that is shown in Figure. The soci
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
Explain the Concept of Two-phase Locking It concerns the positions of locking and unlocking operations in each transaction. In this protocol every transaction issue lock and u
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
#question.what is mapping constraints and types?.
SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
what is the relationship between receipt and owner entities in computer sales and service company
A set of possible data values is called? A set of possible data values is called as domain.
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