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What is an entity relationship model? The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or
What is advantage of two-way association? Two-way association advantages are following: a) Independent of the classes. b) Useful for existing predefined classes that are
What is relational model feature? A relational model feature is much more data independence than some other database models.
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
What is schema
SET concept is used in which type of modelling? SET concept is used in Network Model.
how to design tables
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
Explain the main advantages of DBMS over File Oriented System ?
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