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Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
What is serializability? Explain its types? The data base system must control concurrent implementation of transactions, to ensure that the data base state remains consistent.
i want to database for online assignment submission system
Backward Recovery (UNDO): In this system the uncommitted changes made by a transaction to a database are undone. Instead the system is reset to the last consistent state of databa
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
What is the meaning of Data Independence ?
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Define physical image of a global relation at a site
what do you understand by enhanced entity-relationship
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