Database Management Systems (DBMS)

Often the terms database and DBMS are used interchangeably. However, a database management system is a software product that manages a database. Several important features are desired from a DBMS and most modern databases provide some mechanisms for these features:

  • It should be easy to store and retrieve data

  • It should provide security for the data stored

  • It should provide some method for concurrent access to the database and control of this concurrency

  • There should be some method to recover the database in case of a database crash

  • Data consistency and integrity should be retained

  • Metadata should be available. Metadata refers to the data that provides information about the stored data. In other words, a data dictionary ...

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