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7. Database System Architecture > 7.3. Database Management Systems

Database Management Systems

A DBMS is a software system that is responsible for managing all aspects of a database, at all levels. In particular, a DBMS should provide the following features, and perhaps more:

  • A mechanism for defining the structure of a database, in the form of a data definition language, or DDL.

  • A mechanism for data manipulation, including data access, sorting, searching, and filtering. This takes the form of a data manipulation language, or DML.

  • Interaction with a high-level host language or host application, allowing programmers to write database applications designed for specific purposes. The host language can be a standard programming language, such as C or Visual Basic, or a database application language, such as Microsoft Access.


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