Design of the data description language processor:

The Data Description Language (DDL) is a language for describing the structure of data, and expressing transformations that are to be performed on that data. The DDL Processor is a set of computer programs which interprets DDL statements and generates a computer program to perform the specified tran...

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Bibliographic Details
Format: Book
Language:English
Published: Philadelphia, Pennsylvania
Series:Moore School of Electrical Engineering <Philadelphia, Pa.>: Moore School report 1972,19
Subjects:
Summary:The Data Description Language (DDL) is a language for describing the structure of data, and expressing transformations that are to be performed on that data. The DDL Processor is a set of computer programs which interprets DDL statements and generates a computer program to perform the specified transformations. Together the DDL and its Processor provide a utility which can be used to perform jobs such as creating new data bases, reorganizing or extracting data from existing data bases, moving data to different storage devices, interfacing files between different programming languages, or between different operating systems. This report documents the design of the DDL Processor. Special features of the design include the use of special purpose internal languages, compiler-compiler techniques, bootstrapping methods, and a descriptor tree which aids in the parsing of input data. (Author).
Physical Description:Getr. Zählung

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