Accessing and Updating Functional Databases Using CODASYL-DML.

Traditional approaches to database system design and implementation involve single-model, single-language database systems with their inherent lack of flexibility and extensibility. An alternative to the traditional approach to database system design and implementation is the multi-lingual database...

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Bibliographic Details
Main Author: Rodeck,Brian D
Other Authors: NAVAL POSTGRADUATE SCHOOL MONTEREY CA
Format: Text
Language:English
Published: 1986
Subjects:
*DATA BASES
*SYSTEMS APPROACH
METHODOLOGY
MODELS
THESES
ACCESS
MAPPING
MAN COMPUTER INTERFACE
TRANSFORMATIONS
MLDS(Multi Lingual Database System)
DML
Online Access:http://www.dtic.mil/docs/citations/ADA174122
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA174122
Description
Summary:Traditional approaches to database system design and implementation involve single-model, single-language database systems with their inherent lack of flexibility and extensibility. An alternative to the traditional approach to database system design and implementation is the multi-lingual database system (MLDS). This approach allows the user to access and update one or many databases in different data models using corresponding data languages, thus countering the aforementioned flexibility and extensibility restrictions. This thesis presents a methodology for accessing and updating databases stored in one model with the data manipulation facilities of a different data model. Specifically, anh interface was designed for allowing the network/CODASYL-DMLK user to access and update a functional database as supported by MLDS. This is the first step in the process of extending the multi-lingual database system to a true multi-model database system (MMDS). (Author)

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