Abstract
This paper integrates data, schema and meta-schema into a uniform model and provides one data language to manipulate and modify both data and schema. The modifications on the schema are then propagated to the schema's extension via propagation rules. The integration and the schema modification are all developed within the framework of self-describing and self-documenting models of data and they are fundamental in capturing the evolution of the database, which includes not only data changes, but schema changes as well.
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This work has been partially supported by NASA under contract NAS 5-26810.
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Roussopoulos, N., Mark, L. Schema manipulation in self-describing and self-documenting data models. International Journal of Computer and Information Sciences 14, 1–28 (1985). https://doi.org/10.1007/BF00990898
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DOI: https://doi.org/10.1007/BF00990898