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Relational databases

Mining Functional Dependency from Relational Databases Using Equivalent Classes and Minimal Cover

Mining Functional Dependency from Relational Databases Using Equivalent Classes and Minimal Cover

... from databases. This algorithm employs some concepts from relational databases design theory specifically the concepts of equivalences and the minimal ...

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The Optimization of Running Queries in Relational Databases Using ANT-Colony Algorithm

The Optimization of Running Queries in Relational Databases Using ANT-Colony Algorithm

... In this paper, we stated a new approach for optimizing execution of queries in relational databases using Ant Colony algorithm. For this, we initially maped the connection between tables into a TSP model ...

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Solutions for the Object-Relational Databases Design

Solutions for the Object-Relational Databases Design

... unified relational and object-oriented data ...the relational model, the object-oriented concepts such as scalability, complex data types (large objects, multimedia data, spatial data, user defined object ...

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Imperfect Data In Database Context. How Are They Stored In Extended Relational Databases

Imperfect Data In Database Context. How Are They Stored In Extended Relational Databases

... to relational databases, where all information may be expressed as Attribute- Object-Value (in conformity with the AOV ...The relational database consists in a set of expressions following this ...

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Migration of relational databases to NoSQL - methods of analysis

Migration of relational databases to NoSQL - methods of analysis

... This is the peer reviewed version of the following article: Oliveira, F., Oliveira, A. & Alturas, B. (2017). Migration of relational databases to NoSQL - methods of analysis. In G. Senatore, M. Cilento ...

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Extending the Concepts of Normalization from Relational Databases to Extensible-Markup-Language Databases Model

Extending the Concepts of Normalization from Relational Databases to Extensible-Markup-Language Databases Model

... of relational data, the number of applications using native XML documents is increasing ...in relational databases, may cause anomalies if data is ...the relational world, anomalies are ...

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Migration of relational databases to NoSQL - methods of analysis

Migration of relational databases to NoSQL - methods of analysis

... migrating relational databases to NoSQL and their associated metrics can be used, since these methods can be applied in several DBMS systems, not being linked only to this work, or to the software used ...

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HIERARCHICAL ORGANIZATION OF INFORMATION, IN RELATIONAL DATABASES

HIERARCHICAL ORGANIZATION OF INFORMATION, IN RELATIONAL DATABASES

... Abstract: In this paper I will present different types of representation, of hierarchical information inside a relational database .I also will compare them to find the best organizatio[r] ...

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Finding Association Rules through Efficient  Knowledge Management Technique

Finding Association Rules through Efficient Knowledge Management Technique

... We have presented ARU algorithm, which outperforms the TBAR algorithm. Our proposed algorithm will be able to maintain large items sets by reusing the large item sets found through the initial mining algorithm. Our ...

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Fundamentals for the Automation of Object-Relational Database Design

Fundamentals for the Automation of Object-Relational Database Design

... automate relational database design (Toad TM Data Modeler, DB Designer4, DatabaseSpy), but it is not the case for object-relational ...object- relational layer and object-relational persistent ...

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Computing Changesets for RDF Views of Relational Data

Computing Changesets for RDF Views of Relational Data

... of relational databases in the Linked Open Data (LOD) ...publishing relational data in RDF format is to create an RDF view of the underlying relational data (RDB-RDF ...

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FMKe: A realistic benchmark for key-value stores

FMKe: A realistic benchmark for key-value stores

... Nowadays there are many services that operate at a global level like Google Mail or Dropbox. To provide a good service to all users a centralized data storage component is a bad approach, since clients further away from ...

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Spatial databases for decision support in agriculture

Spatial databases for decision support in agriculture

... Abstract: - The Portuguese agriculture has experienced phases of change and its adaptation to the Common Agriculture Policy. Although serious problems have subsisted as structural difficulties in spite of the many public ...

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Historical data management in big databases

Historical data management in big databases

... In this scenario, the ERP software is serving a department of a university and all its ac- tivities. The department manages payments, employees, students, teachers, administrative processes, stocks of essential products, ...

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Antidote SQL: SQL for Weakly Consistent Databases

Antidote SQL: SQL for Weakly Consistent Databases

... Distributed transactions are similar to general purpose transactions with the particu- larity that the data read and written by the transaction may be located in different places (e.g. servers) [62]. ACID properties are ...

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Repairs of Databases with Null Values

Repairs of Databases with Null Values

... repair databases with null values, besides allowing to repair a database with null values, it allows to specify which is the semantics to apply to each of the specified IC in the moment of the ...

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BenchXtend: uma ferramenta para medir a elasticidade de sistemas de banco de dados em nuvem

BenchXtend: uma ferramenta para medir a elasticidade de sistemas de banco de dados em nuvem

... For decades, relational database management systems (RDBMSs) have been considered as the one-size-fits-all solution for providing data persistence and retrieval. However, the ever increasing need for scalability ...

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Relational incentives in Chinese family firms

Relational incentives in Chinese family firms

... Here, some points about the conception of the shirking cost (  G 0 ) and the car- ing cost ( c G ) should be noted. First, these two costs based on relation are related to Xiaotong Fei’s (2008) Chinese-style ...

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Working with Documents in Databases

Working with Documents in Databases

... The search component on the basis of content is a new characteristic added to SGBDs, allowing thus the efficient search in large documents. For searches by using conventional data fields, there can be used, for making up ...

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A SURVEY ON FACIAL EXPRESSION DATABASES

A SURVEY ON FACIAL EXPRESSION DATABASES

... face databases are extensively used for evaluation of various algorithms used in facial expression/gesture recognition ...available databases that can be used in facial expression recognition ...

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