SUBSTANTIATION OF RELATIONAL DATALOGICAL MODEL OF DATABASE OF INFORMATION SYSTEM OF ACTIVITY SUPPORT OF SAINT PETERSBURG STATE UNITARY ENTERPRISE "MUNICIPAL DEPARTMENT OF INVENTORY AND EVALUATION OF PROPERTY"
Lepikhina Ol'ga Yur'evna, Bogdanova Anastasiya Yur'evna
National Mineral Resources University
Abstract. The article is devoted to the development of the model of the database of the information system of the activity organization of Saint Petersburg state unitary enterprise "Municipal Department of Inventory and Evaluation of Property" aimed at improving the efficiency of the organization of the enterprise activity. The paper presents a conceptual (infological) model of the organization activity, forms options of the database datalogical models: hierarchical, relational, post-relational ones, proposes a system of the evaluation indexes of the datalogical models variants, on the basis of the expert methodology of paired comparisons substantiates the most optimal datalogical model of the organization of the enterprise activity.
Key words and phrases: информационная система, база данных, объект недвижимости, концептуальная модель, ER-модель (модель "Сущность-Связь"), реляционная модель, иерархическая модель, постреляционная модель, information system, database, property unit, conceptual model, ER-model (model "Entity-Relationship"), relational model, hierarchical model, post-relational model
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