{"title":"Independent database schemas","authors":"M. Graham, M. Yannakakis","doi":"10.1145/588111.588144","DOIUrl":null,"url":null,"abstract":"Abstract A database schema is independent with respect to a given set of constraints if the constraints can be enforced separately in the relations. A polynomial time algorithm is presented that recognizes independent schemas, when the given constraints consist of functional dependencies and the join dependency of the database schema.","PeriodicalId":126896,"journal":{"name":"Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems","volume":"2011 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1982-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"60","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/588111.588144","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 60
Abstract
Abstract A database schema is independent with respect to a given set of constraints if the constraints can be enforced separately in the relations. A polynomial time algorithm is presented that recognizes independent schemas, when the given constraints consist of functional dependencies and the join dependency of the database schema.
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