{"title":"HQL:用于分层结构数据库的面向集合的事务语言","authors":"P. L. Fehder","doi":"10.1145/1408800.1408827","DOIUrl":null,"url":null,"abstract":"The Hierarchic Query Language (HQL) is a sophisticated query language designed to give \"non-programmers\" convenient access to the data contained within an IMS-like hierarchic data base. In this paper we outline a particular perception of transactions against collections of data arranged in a hierarchic structure, and show how that perception might be reflected in the syntax and semantics of a user-oriented query language.","PeriodicalId":204185,"journal":{"name":"ACM '74","volume":"363 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"HQL: a set-oriented transaction language for hierarchically-structured data bases\",\"authors\":\"P. L. Fehder\",\"doi\":\"10.1145/1408800.1408827\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Hierarchic Query Language (HQL) is a sophisticated query language designed to give \\\"non-programmers\\\" convenient access to the data contained within an IMS-like hierarchic data base. In this paper we outline a particular perception of transactions against collections of data arranged in a hierarchic structure, and show how that perception might be reflected in the syntax and semantics of a user-oriented query language.\",\"PeriodicalId\":204185,\"journal\":{\"name\":\"ACM '74\",\"volume\":\"363 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACM '74\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/1408800.1408827\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACM '74","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/1408800.1408827","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
HQL: a set-oriented transaction language for hierarchically-structured data bases
The Hierarchic Query Language (HQL) is a sophisticated query language designed to give "non-programmers" convenient access to the data contained within an IMS-like hierarchic data base. In this paper we outline a particular perception of transactions against collections of data arranged in a hierarchic structure, and show how that perception might be reflected in the syntax and semantics of a user-oriented query language.
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