Abstract
The database specification language Ruslan is designed to provide tools for the formal specification of data models, databases, database programming languages, and application programs. A Ruslan database is regarded as a set of objects of definite data types. A database specification consists of formal specifications of all data types used, objects declared, and operations over database objects defined. The database specification is stored in the database and can be used for the specification of an application program operating with it. The biggest specification unit is a module generally consisting of kind, data type, type classes, object, and detached operation specifications. A module does not containing object declarations is a model module, representing a particular data model or database programming language. A model module can be later used for the specification of database modules. The specification of an application program is a specification of a function using and/or producing values stored in a database.KeywordsData TypeEntity SpecificationDatabase SpecificationModule AlgebraType TermThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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