Main Schema-External Schema Interaction in Hierarchically Organized Data Bases
Summary: Defines a class of external schemas derivable from a tree-structured main schema in hierarchical databases. The class's properties enable a processing interface that lets predicates on the external schema be evaluated inside an occurrence structure disciplined by the main schema. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. A. G. Dale (University of Texas)
- 2. N. B. Dale (University of Texas)
BibTeX Citation
@inproceedings{dale_sigmod77,
title = {{Main Schema-External Schema Interaction in Hierarchically Organized Data Bases}},
author = {Dale, A. G. and Dale, N. B.},
series = {{SIGMOD} '77},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/509404.509419},
url = {https://dl.acm.org/doi/10.1145/509404.509419},
year = {1977}
}
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