{"title":"关系模式的增量重组","authors":"V. Markowitz, J. Makowsky","doi":"10.1109/ICDE.1988.105470","DOIUrl":null,"url":null,"abstract":"Entity-relationship (ER) consistency is defined, and a complete set of incremental and reversible restructuring manipulations is proposed for ER-consistent relational schemas. It is shown how the schema restructuring manipulations that are proposed back both interactive and view-integration methodologies for schema design.<<ETX>>","PeriodicalId":243420,"journal":{"name":"Proceedings. Fourth International Conference on Data Engineering","volume":"140 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Incremental restructuring of relational schemas\",\"authors\":\"V. Markowitz, J. Makowsky\",\"doi\":\"10.1109/ICDE.1988.105470\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Entity-relationship (ER) consistency is defined, and a complete set of incremental and reversible restructuring manipulations is proposed for ER-consistent relational schemas. It is shown how the schema restructuring manipulations that are proposed back both interactive and view-integration methodologies for schema design.<<ETX>>\",\"PeriodicalId\":243420,\"journal\":{\"name\":\"Proceedings. Fourth International Conference on Data Engineering\",\"volume\":\"140 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings. Fourth International Conference on Data Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICDE.1988.105470\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. Fourth International Conference on Data Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICDE.1988.105470","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Entity-relationship (ER) consistency is defined, and a complete set of incremental and reversible restructuring manipulations is proposed for ER-consistent relational schemas. It is shown how the schema restructuring manipulations that are proposed back both interactive and view-integration methodologies for schema design.<>
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