Implementation of a declarative query and data manipulation language for X-Ray
Language: English
Published by Diplom.De Jan 2004, 2004
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- New
Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.
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This item is printed on demand - it takes 3-4 days longer - Neuware -Diploma Thesis from the year 2002 in the subject Computer Science - Miscellaneous, grade: 1,0, University of Linz (Informatik, Angewandte Informatik), language: English, abstract: Inhaltsangabe:Abstract:Nowadays, database management systems (DBMS) play a central role in the realization of modern information systems for efficient storage, management and retrieval of large amount of data. At the same time, the eXtensible Markup Language (XML) is emerging fast as de facto standard for electronic data exchange. In order to be able to benefit from both technologies, a number of approaches have already been developed, aiming at the integration of XML and DBMS. They allow processing XML data on the basis of declarative query languages, don t pay however much attention to the manipulation of XML data.The objective of this diploma thesis is to implement X-Ray QL, a declarative query and data manipulation language for X-Ray, an integration approach using the idea of a meta database. X-Ray QL allows besides creating, editing and deleting XML data in a declarative way, to retrieve the XML data using simple select queries.The implementation of X-Ray QL consequently provides an operative runtime part of the X-Ray architecture with features like session management, authorisation mechanism and transaction control. An additional Web Service demonstrates the practical use of the X-Ray QL implementation.Zusammenfassung:Datenbankmanagementsysteme (DBMS) spielen heutzutage eine zentrale Rolle bei der Realisierung moderner Informationssysteme zur effizienten Speicherung, Verwaltung und Verarbeitung großer Datenmengen. Gleichzeitig steht mit der eXtensible Markup Language (XML) eine erweiterbare Auszeichnungssprache zur Verfügung, die unter anderem als Quasi-Standard für den elektronischen Datenaustausch gilt. Um die Vorteile beider Technologien nutzen zu können, existiert bereits eine Reihe von Ansätzen, die eine Integration von XML und DBMS zum Ziel haben. Diese Ansätze erlauben es XML Datenbestände auf Basis deklarativer Abfragesprachen zu verarbeiten, jedoch wurde das Verändern von bestehenden Datenbeständen noch nicht genauer behandelt ([KIM02]).Ziel dieser Diplomarbeit ist es X-Ray QL, eine deklarative Abfrage- und Datenmanipulationssprache für X-Ray, ein Integrationsansatz unter Verwendung einer Metadatenbank, zu implementieren. X-Ray QL ermöglicht, neben dem deklarativen Erzeugen, Ändern und Löschen von XML Datenbeständen, auch einfache Abfragen durchzuführen.Durch die Implementierung von X-Ray QL entsteht der Laufzeitteil der X-Ray Architektur, welcher sich durch Sessionmanagement, Autorisierungsmechanismus und Transaktionskontrolle auszeichnet. Ein Web Service dient zur praktischen Demonstration der X-Ray QL Implementierung.Inhaltsverzeichnis:Inhaltsverzeichnis:1.Introduction91.1Motivation91.2Goals of this Thesis101.3Structure of this Thesis112.X-Ray Architecture122.1Motivation122.2X-Ray Architecture in Detail122.2.1The Definition Part132.2.2The Runtime Part142.2.3The Meta Database Interface152.3Architectural Terminology162.3.1X-Ray Source162.3.2XML Document162.3.3Repository183.X-Ray Runtime Implementation233.1Authorisation233.1.1Motivation233.1.2Authorisation Engine233.2Session Management253.3QL Engine273.3.1X-Ray QL Query Execution283.3.2X-Ray QL Query Verification313.4Syntax Check313.5XPath Engine343.6SQL Engine373.7SQL Queries383.7.1Select Query393.7.2Update Query413.7.3Insert Query423.7.4Delete Query423.8Select Engine423.8.1Initialisation433.8.2Execution443.8.2.1Target Attributes453.8.2.2Query Source483.8.2.3Predicates493.8.2.3.1Predicates with Position Information503.8.2.3.2Pred. 140 pp. Englisch.…
Seller Inventory # 9783838675800
- Title
- Implementation of a declarative query and data manipulation language for X-Ray
- Author
- Christian Hiebl
- Publisher
- Diplom.De Jan 2004
- Publication year
- 2004
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3838675800
- ISBN 13
- 9783838675800
- Item weight
- 213 grams
- Dimensions
- 210x148x11 mm
"Synopsis" may belong to another edition of this title.
BuchWeltWeit Ludwig Meier e.K.
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