{"title":"一种用于关联检索的锁定方案","authors":"E. Onuegbe, H. Du","doi":"10.1109/ICDE.1986.7266264","DOIUrl":null,"url":null,"abstract":"The general problem of concurrency control for database systems has been studied intensively. However, the studies often ignored the underlying file systems. A locking scheme for multi-key hashed file structures is presented in this paper. First, we define a transaction model for such file structures, then we present techniques for conflict detection as well as a new locking scheme. The locking scheme combines aspects of both physical and predicate locking schemes. It places locks on buckets while guaranteeing record-level access; this results in increased concurrency with minimal overhead.","PeriodicalId":415748,"journal":{"name":"1986 IEEE Second International Conference on Data Engineering","volume":"119 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1986-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A locking scheme for associative retrieval\",\"authors\":\"E. Onuegbe, H. Du\",\"doi\":\"10.1109/ICDE.1986.7266264\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The general problem of concurrency control for database systems has been studied intensively. However, the studies often ignored the underlying file systems. A locking scheme for multi-key hashed file structures is presented in this paper. First, we define a transaction model for such file structures, then we present techniques for conflict detection as well as a new locking scheme. The locking scheme combines aspects of both physical and predicate locking schemes. It places locks on buckets while guaranteeing record-level access; this results in increased concurrency with minimal overhead.\",\"PeriodicalId\":415748,\"journal\":{\"name\":\"1986 IEEE Second International Conference on Data Engineering\",\"volume\":\"119 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1986-02-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1986 IEEE Second International Conference on Data Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICDE.1986.7266264\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1986 IEEE Second International Conference on Data Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICDE.1986.7266264","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The general problem of concurrency control for database systems has been studied intensively. However, the studies often ignored the underlying file systems. A locking scheme for multi-key hashed file structures is presented in this paper. First, we define a transaction model for such file structures, then we present techniques for conflict detection as well as a new locking scheme. The locking scheme combines aspects of both physical and predicate locking schemes. It places locks on buckets while guaranteeing record-level access; this results in increased concurrency with minimal overhead.
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