Strategy for Database Application Evolution: The DB-MAIN Approach

Jean-Marc Hick; Jean-Luc Hainaut

Strategy for Database Application Evolution: The DB-MAIN Approach

Faculte d'informatique

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Résumé

Si les nouvelles technologies en matière de SGBD envisagent le problème de l'évolution du schéma d'une base de données, les systèmes d'information actuels posent des problèmes particulièrement ardus lors des phases d'évolution. Cet article étudie ces problèmes dans un contexte pratique tel qu'il est vécu actuellement par les développeurs. Il propose une analyse du phénomène de l'évolution et son impact sur les structures de données, les données et les programmes d'application au travers de stratégies typiques. L'article décrit ensuite l'environnement de génie logiciel DB-MAIN avec lequel a été construit un prototype d'outil d'aide à l'évolution. Cet outil permet notamment de générer automatiquement les programmes de conversion de la base de données à partir de la trace des opérations de modification des schémas conceptuel ou logique de la base de données. Il permet aussi d'aider le programmeur à modifier les programmes d'application en conséquence.

langue originale	Anglais
titre	Proc. of the 22nd Int. Conf. on Conceptual modeling (ER'03)
Sous-titre	22nd International Conference on Conceptual Modeling
rédacteurs en chef	Il Yeol Song, W Stephen, Liddle Tok, Wang Ling, Peter Scheuermann
Lieu de publication	Berlin
Editeur	Springer
Pages	291-306
Nombre de pages	16
Etat de la publication	Publié - 2003

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@inproceedings{ca5da68e509446adabc64c7241ddd41b,

title = "Strategy for Database Application Evolution: The DB-MAIN Approach",

abstract = "While recent data management technologies, e.g., object-oriented, address the problem of databases schema evolution, standard information systems currently in use raise challenging problems when evolution is concerned. This paper studies database evolution from the developer point of view. It shows how requirements changes are propagated to the database schemas, to the data and to the programs through a general strategy. This strategy requires the documentation of the database design. When absent, this documentation has to be rebuilt through reverse engineering techniques. The approach relies on a generic database model and on the transformational paradigm that states that database engineering processes can be modelled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally define how to modify database structures and contents. The paper then analyses the problem of program modification and describes a CASE tool that can assist developers in their task of system evolution.",

keywords = " database, maintenance, CASE tool., Evolution",

author = "Jean-Marc Hick and Jean-Luc Hainaut",

note = "Publication editors : Il-Yeol Song, Stephen W. Liddle, Tok Wang Ling, Peter Scheuermann",

year = "2003",

language = "English",

pages = "291--306",

editor = "Song, {Il Yeol} and W Stephen and Liddle Tok and Wang Ling and Peter Scheuermann",

booktitle = "Proc. of the 22nd Int. Conf. on Conceptual modeling (ER'03)",

publisher = "Springer",

}

Strategy for Database Application Evolution: The DB-MAIN Approach. / Hick, Jean-Marc; Hainaut, Jean-Luc.
Proc. of the 22nd Int. Conf. on Conceptual modeling (ER'03): 22nd International Conference on Conceptual Modeling. Ed. / Il Yeol Song; W Stephen; Liddle Tok; Wang Ling; Peter Scheuermann. Berlin: Springer, 2003. p. 291-306.

Résultats de recherche: Contribution dans un livre/un catalogue/un rapport/dans les actes d'une conférence › Article dans les actes d'une conférence/un colloque

TY - GEN

T1 - Strategy for Database Application Evolution: The DB-MAIN Approach

AU - Hick, Jean-Marc

AU - Hainaut, Jean-Luc

N1 - Publication editors : Il-Yeol Song, Stephen W. Liddle, Tok Wang Ling, Peter Scheuermann

PY - 2003

Y1 - 2003

N2 - While recent data management technologies, e.g., object-oriented, address the problem of databases schema evolution, standard information systems currently in use raise challenging problems when evolution is concerned. This paper studies database evolution from the developer point of view. It shows how requirements changes are propagated to the database schemas, to the data and to the programs through a general strategy. This strategy requires the documentation of the database design. When absent, this documentation has to be rebuilt through reverse engineering techniques. The approach relies on a generic database model and on the transformational paradigm that states that database engineering processes can be modelled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally define how to modify database structures and contents. The paper then analyses the problem of program modification and describes a CASE tool that can assist developers in their task of system evolution.

AB - While recent data management technologies, e.g., object-oriented, address the problem of databases schema evolution, standard information systems currently in use raise challenging problems when evolution is concerned. This paper studies database evolution from the developer point of view. It shows how requirements changes are propagated to the database schemas, to the data and to the programs through a general strategy. This strategy requires the documentation of the database design. When absent, this documentation has to be rebuilt through reverse engineering techniques. The approach relies on a generic database model and on the transformational paradigm that states that database engineering processes can be modelled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally define how to modify database structures and contents. The paper then analyses the problem of program modification and describes a CASE tool that can assist developers in their task of system evolution.

KW - database

KW - maintenance

KW - CASE tool.

KW - Evolution

M3 - Conference contribution

SP - 291

EP - 306

BT - Proc. of the 22nd Int. Conf. on Conceptual modeling (ER'03)

A2 - Song, Il Yeol

A2 - Stephen, W

A2 - Tok, Liddle

A2 - Ling, Wang

A2 - Scheuermann, Peter

PB - Springer

CY - Berlin

ER -

Strategy for Database Application Evolution: The DB-MAIN Approach

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