Distributed Database Management System, Database Management System

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Types of Data fragmentation

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Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows

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Failure Controlling Methods: Failures can be handled using different recovery methods that are talk about later in the unit. But the first question is doing we really require recov

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what problems are raised by the database? why is it so controversial? why is data quality an issue?

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What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.

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Explain the concepts of relational data model? Relational Data Model - The relational model was first introduced through Prof. E.F. Codd of the IBM Research in the year 1970

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