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Database systems for real-time applications must satisfy timing constraints associated with transactions, in addition to maintaining data consistency. Recently, interests in object-oriented databases have been growing for nontraditional applications of database systems, and several real-time applications are being developed using an objectoriented paradigm. The object-oriented approach seems promising for developing complex real-time database applications. However, it is not clear whether objectoriented database systems would be superior than relational database systems for supporting real-time applications. In this paper, we address issues that must be investigated in order to design and develop an objectoriented database system for real-time applications. Also, we present a model that integrates features for scheduling real-time transactions with the traditional object-oriented database model.

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