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fourth-generation language
Last modified: Friday, November 21, 2003 

Often abbreviated 4GL, fourth-generation languages are programming languages closer to human languages than typical high-level programming languages. Most 4GLs are used to access databases. For example, a typical 4GL command is

FIND ALL RECORDS WHERE NAME IS "SMITH"

The other four generations of computer languages are

  • first generation: machine language
  • second generation: assembly language
  • third generation: high-level programming languages, such as C, C++, and Java.
  • fifth generation: languages used for artificial intelligence and neural networks.

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    Artificial Intelligence

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    Programming Languages
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    database management system

    natural language

    programming language

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    Article on learning fourth-generation languages
    Article by James Elliot entitled, "The Paradoxes and Advantages of Using Fourth Generation Languages," that provides descriptions of the nature of the language and expertise, and mastering the 4GL. (July 1995)




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