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What is the terms of RDBMS and Transactions.

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Redundant data:

  • Redundant data is data that can be removed without losing any information.
  • In a database the aim is to store only one item of data about objects – ideally there should be no duplication of data.

Transactions:

  • Events that cause changes in a database from one consistent state to another consistent state.
  • Logical units of work.
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