Extending a relational database with deferred referential integrity checking and intelligent joins

Author(s):  
Stephanie Cammarata ◽  
Prasadram Ramachandra ◽  
Darrell Shane
1989 ◽  
Vol 18 (2) ◽  
pp. 88-97
Author(s):  
Stephanie Cammarata ◽  
Prasadram Ramachandra ◽  
Darrell Shane

Author(s):  
JANGWON KIM ◽  
DONGWON JEONG ◽  
JINHYUNG KIM ◽  
DOO-KWON BAIK

XML has grown to represent and exchange information which is used widely in various computing areas such as web environment, mobile environment, data management systems. Especially, the most important issue for practical purposes is how to achieve the interoperability between XML model and relational database model. Until now, various algorithms have been proposed to achieve it. However, existing algorithms do not consider implicit referential integrity relation. VP-T and QP-T have been proposed to resolve the problem — QP-T enhanced VP-T based on query pattern. However, both have a critical restriction that column titles for an attribute are identically represented. Therefore, several referential integrity relations might not be extracted. In this paper, we introduce a novel translation algorithm whose name is WordNet-based Translation algorithm (WB-T) to resolve the above issues. WB-T can check similarity between column titles based on WordNet and extract more exact implicit referential integrity relation than the previous algorithms. WB-T provides improved extraction accuracy and reduces the extraction time.


2013 ◽  
Vol 10 (1) ◽  
pp. 283-320 ◽  
Author(s):  
Slavica Aleksic ◽  
Sonja Ristic ◽  
Ivan Lukovic ◽  
Milan Celikovic

The inverse referential integrity constraints (IRICs) are specialization of non-key-based inclusion dependencies (INDs). Keybased INDs (referential integrity constraints) may be fully enforced by most current relational database management systems (RDBMSs). On the contrary, non-key-based INDs are completely disregarded by actual RDBMSs, obliging the users to manage them via custom procedures and/or triggers. In this paper we present an approach to the automated implementation of IRICs integrated in the SQL Generator tool that we developed as a part of the IIS


2007 ◽  
Vol 20 (1) ◽  
pp. 31-43 ◽  
Author(s):  
Dragan Simic ◽  
Srecko Ristic ◽  
Slobodan Obradovic

This paper describes the methods and means used for creating a computer cluster using ordinary PCs. The cluster is running a replicated relational database, and two custom Web applications, used as the database clients. Operating system running all this is Linux 2.4, with Linux Virtual Server (LVS) used as the load-balancing solution, MySQL 4.0 as the replicated database (supporting transactions and referential integrity), and Apache 1.3 as the Web server. PHP4 is used for Web applications development. Additionally, a High Performance Computing (HPC) cluster is implemented using OpenMOSIX. Measurement and comparison of achieved performance levels is done as the final aim, using two custom applications developed for that purpose, acting as clients of two deployed Web applications. Performance-measurement applications are running under Microsoft Windows, and are developed using Borland Delphi 7.


1996 ◽  
Vol 8 (3) ◽  
pp. 160-168 ◽  
Author(s):  
Janet Burt ◽  
Tom Beaumont James

This article discusses the different approaches to the treatment of historical databases: the relational database system and κλειω, a source-oriented approach.


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