database model, Database Management System

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Why older data models are being replaced by new data modelling 100 words accepted#

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Write A short note on temporary tables? Temporary Tables - Temporary tables exists solely for a particular session, or whose data persists for the duration of the transaction

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What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.

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What are the situations while DBMS should not be used? DBMS should not be used in situations like: (i) No need of security. (ii) Not difficulty to access the data (iii) N

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Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.

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Describe the candidate key functions ? Candidate Key and Alternate Key: In some instances, an entity will have more than one attribute which can serve as a primary key. Any key

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Explain the term- Data Flows Data Flows: A data flow connects output of an object or process to input of another process or object. It represents an in-between data value wit

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