employees and projects scenario, Database Management System

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What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage

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Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.

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Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description

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The Locking Protocol: To manage concurrency related problems we use locking. A lock is mainly a variable that is associated with a data item in the database. A lock can be located

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What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The

Datamodels, explain thee diffrent types of data models

explain thee diffrent types of data models

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Compare the two log-based recovery schemes in terms of ease of implementation and overhead cost.    Ans:  There are two types of log based recovery techniques: deferred update

Explain about data independence, Data Independence This brings us to ou...

Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc

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