Database Program Conversion: A Framework For Research

Taylor, Robert W.; Fry, James P.; Shneiderman, Ben; Smith, Derek; Su, Stanley Y. W.

doi:10.1109/vldb.1979.718145

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Cited by 10 publications

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“…Our contribution is to develop the actual algorithms for mapping sequences of procedural operations into a nonprocedural query specification, and to integrate the conversion process with information gleaned from the database's physical design specification. A more complete review of the literature can be found in [16].…”

Section: Introductionmentioning

confidence: 99%

Decompiling CODASYL DML into retional queries

Wong

1982

ACM Trans. Database Syst.

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A "decompilation" algorithm is developed to transform a program written with the procedural operations of CODASYL DML into one which interacts with a relational system via a nonprocedural query specification. An Access Path Model is introduced to interpret the semantic accesses performed by the program. Data flow analysis is used to determine how FIND operations implement semantic accesses. A sequence of these is mapped into a relational query and embedded into the original program. The class of programs for which the algorithm succeeds is characterized.

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Section: Introductionmentioning

confidence: 99%