منابع مشابه
Scalable Transactions across Heterogeneous NoSQL Key-Value Data Stores
Many cloud systems provide data stores with limited features, especially they may not provide transactions, or else restrict transactions to a single item. We propose a approach that gives multi-item transactions across heterogeneous data stores, using only a minimal set of features from each store such as single item consistency, conditional update, and the ability to include extra metadata wi...
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NoSQL data stores are becoming increasingly popular in application development. These systems are attractive for developers due to their ability to handle large volumes of data, as well as data with a high degree of structural variety. Typically, NoSQL data stores are accessed programmatically. Due to the imminent lack of standardized query languages, building applications against the native in...
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Bei der Verarbeitung und Auswertung von Big Data stoßen klassische relationale Datenbanken an ihre Grenzen. So ist die Speicherung von Daten im Multi-Terabyte-Bereich damit zwar möglich, aber in der Regel aufgrund der Lizenzund Speicherkosten unwirtschaftlich. Datenanalysen, bei denen große Datenbereiche gelesen werden müssen, erfordern darüber hinaus cluster-fähige Systeme für die Skalierung.
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NoSQL databases were initially devised to support a few concrete extreme scale applications. Since the specificity and scale of the target systems justified the investment of manually crafting application code their limited query and indexing capabilities were not a major impediment. However, with a considerable number of mature alternatives now available there is an increasing willingness to u...
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NoSQL data stores are commonly schema-less, providing no means for globally defining or managing the schema. While this offers great flexibility in early stages of application development, developers soon can experience the heavy burden of dealing with increasingly heterogeneous data. This paper targets schema evolution for NoSQL data stores, the complex task of adapting and changing the implic...
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ژورنال
عنوان ژورنال: ACM SIGMOD Record
سال: 2011
ISSN: 0163-5808
DOI: 10.1145/1978915.1978919