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Fourth-generation language (4GL)

Fourth-generation language (4GL): These are types of programming languages that are more abstract and closer to human language compared to third-generation languages. 4GLs often focus on reducing programming effort and specificity and are geared towards solving business problems or database querying. Examples include SQL (Structured Query Language) for database interactions, ABAP (Advanced Business Application Programming) used in SAP applications, Informix-4GL, and Progress 4GL, now known as OpenEdge Advanced Business Language. They enable developers to write code with higher-level constructs, and many provide capabilities for rapid application development, report generation, and data manipulation.

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