{"citation":{"mla":"Engels, Gregor, and Perdita Löhr. “Visual Specification of Complex Database Actions.” <i>Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)</i>, Springer, 1994, pp. 303–14.","ieee":"G. Engels and P. Löhr, “Visual Specification of Complex Database Actions,” in <i>Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)</i>, 1994, pp. 303–314.","apa":"Engels, G., &#38; Löhr, P. (1994). Visual Specification of Complex Database Actions. In <i>Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)</i> (pp. 303–314). Berlin/Heidelberg: Springer.","short":"G. Engels, P. Löhr, in: Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany), Springer, Berlin/Heidelberg, 1994, pp. 303–314.","ama":"Engels G, Löhr P. Visual Specification of Complex Database Actions. In: <i>Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)</i>. Berlin/Heidelberg: Springer; 1994:303-314.","bibtex":"@inproceedings{Engels_Löhr_1994, place={Berlin/Heidelberg}, title={Visual Specification of Complex Database Actions}, booktitle={Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)}, publisher={Springer}, author={Engels, Gregor and Löhr, Perdita}, year={1994}, pages={303–314} }","chicago":"Engels, Gregor, and Perdita Löhr. “Visual Specification of Complex Database Actions.” In <i>Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)</i>, 303–14. Berlin/Heidelberg: Springer, 1994."},"place":"Berlin/Heidelberg","publisher":"Springer","user_id":"52534","department":[{"_id":"66"}],"abstract":[{"text":"The paper presents an approach to specify in an integrated way by visual, diagrammatic languages the structural and behavioural aspects of database applications. Hereby, well-known extended Entity-Relationship diagrams are employed to specify the structural aspects. The behavioural aspects of a database application are specified by using ViAL (Visual Action Language). ViAL specifications are a special kind of data (or better object) flow diagrams, where so-called elementary actions are used as basic building blocks. These elementary actions are automatically derived from a given EER diagram. They guarantee that after finishing their execution all inherent integrity constraints are fulfilled. The paper explains the features of the language ViAL and gives some illustrating examples.","lang":"eng"}],"_id":"8265","language":[{"iso":"eng"}],"year":"1994","author":[{"full_name":"Engels, Gregor","last_name":"Engels","first_name":"Gregor","id":"107"},{"full_name":"Löhr, Perdita","last_name":"Löhr","first_name":"Perdita"}],"status":"public","date_updated":"2022-01-06T07:03:52Z","publication":"Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany)","date_created":"2019-03-04T11:52:15Z","title":"Visual Specification of Complex Database Actions","page":"303-314","type":"conference"}