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1. Ashraf, Imran. Principles for Distributed Databases in Telecom Environment.

Degree: 2010, , School of Computing

Centralized databases are becoming bottleneck for organizations that are physically distributed and access data remotely. Data management is easy in centralized databases. However, it carries high communication cost and most importantly high response time. The concept of distributing the data over various locations is very attractive for such organizations. In such cases the database is fragmented into fragments and distributed to the locations where it is needed. This kind of distribution provides local control of data and the data access is also very fast in such databases. However, concurrency control, query optimization and data allocations are the factors that affect the response time and must be investigated prior to implementing distributed databases. This thesis makes the use of mixed method approach to meet its objective. In quantitative section, we performed an experiment to compare the response time of two databases; centralized and fragmented/distributed. The experiment was performed at Ericsson. A literature review was also done to find out other important response time related issues like query optimization, concurrency control and data allocation. The literature review revealed that these factors can further improve the response time in distributed environment. Results of the experiment showed a substantial decrease in the response time due to the fragmentation and distribution.

Centraliserade databaser blir flaskhals för organisationer som är fysiskt distribuerade och tillgång till data på distans. Datahantering är lätt i centrala databaser. Men bär den höga kostnaden kommunikation och viktigast av hög svarstid. Konceptet att distribuera data över olika orter är mycket attraktiv för sådana organisationer. I sådana fall databasen är splittrade fragment och distribueras till de platser där det behövs. Denna typ av distribution ger lokal kontroll av uppgifter och dataåtkomst är också mycket snabb i dessa databaser. Men, samtidighet kontroll, frågeoptimering och data anslagen är de faktorer som påverkar svarstiden och måste utredas innan genomförandet distribuerade databaser. Denna avhandling gör användningen av blandade metod strategi för att nå sitt mål. I kvantitativa delen utförde vi ett experiment för att jämföra svarstid på två databaser, centraliserad och fragmenterad / distribueras. Försöket utfördes på Ericsson. En litteraturstudie har gjorts för att ta reda på andra viktiga svarstid liknande frågor som frågeoptimering, samtidighet kontroll och data tilldelning. Litteraturgenomgången visade att dessa faktorer ytterligare kan förbättra svarstiden i distribuerad miljö. Resultaten av försöket visade en betydande minskning av den svarstid på grund av splittring och distribution.

Subjects/Keywords: distributed databases; centralized database; fragmentation; data allocation; query processing; query optimization; concurrency control; Computer Sciences; Datavetenskap (datalogi)

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Ashraf, I. (2010). Principles for Distributed Databases in Telecom Environment. (Thesis). , School of Computing. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4753

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Ashraf, Imran. “Principles for Distributed Databases in Telecom Environment.” 2010. Thesis, , School of Computing. Accessed September 17, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4753.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Ashraf, Imran. “Principles for Distributed Databases in Telecom Environment.” 2010. Web. 17 Sep 2019.

Vancouver:

Ashraf I. Principles for Distributed Databases in Telecom Environment. [Internet] [Thesis]. , School of Computing; 2010. [cited 2019 Sep 17]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4753.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ashraf I. Principles for Distributed Databases in Telecom Environment. [Thesis]. , School of Computing; 2010. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4753

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation


Brno University of Technology

2. Juhaňák, Filip. Návrh aplikace pro správu tenkých klientů .

Degree: 2013, Brno University of Technology

Tato diplomová práce pojednává o návrhu a vývoji aplikace určené pro centralizovanou správu a konfiguraci tenkých klientů nabízených společností OldanyGroup s.r.o. Účelem této aplikace je zjednodušení administrace a sledování nasazených zařízení pro zákazníky, ale také zvýšení konkurenceschopnosti celého řešení tenkého klienta nabízeného společností.; This thesis focuses on designing and developing a centralized management and configuration solution for the thin clients offered by the OldanyGroup s.r.o. company. The purpose of this application is to simplify the thin client administration and control for customers as well as to improve the competitiveness of the whole thin client solution offered by the company. Advisors/Committee Members: Ondrák, Viktor (advisor).

Subjects/Keywords: Tenký klient; centralizovaná správa; databáze; Windows Embedded; Microsoft .NET; TCP/IP protokol; C#; XML; JSON; SQLite; Windows API; Thin client; centralized management; database; Windows Embedded; Microsoft .NET; TCP/IP protocol; C#; XML; JSON; SQLite; Windows API

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Juhaňák, F. (2013). Návrh aplikace pro správu tenkých klientů . (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/20764

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Juhaňák, Filip. “Návrh aplikace pro správu tenkých klientů .” 2013. Thesis, Brno University of Technology. Accessed September 17, 2019. http://hdl.handle.net/11012/20764.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Juhaňák, Filip. “Návrh aplikace pro správu tenkých klientů .” 2013. Web. 17 Sep 2019.

Vancouver:

Juhaňák F. Návrh aplikace pro správu tenkých klientů . [Internet] [Thesis]. Brno University of Technology; 2013. [cited 2019 Sep 17]. Available from: http://hdl.handle.net/11012/20764.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Juhaňák F. Návrh aplikace pro správu tenkých klientů . [Thesis]. Brno University of Technology; 2013. Available from: http://hdl.handle.net/11012/20764

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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