The third part describes two object-relational extensions to the data model. One of them comes with MS Visio, while the other is ODL (Object Definition Language) defined by ODMG (Object Database ...

Keyword Search Over Relational Databases(KSORD) has been widely studied in recent years. However, existing KSORD methods are usually based on schema graph or data graph and they are actually ...

In this article we present a mathematical data model for the most common noSQL databases—namely, key/value relationships—and demonstrate that this data model is the mathematical dual of SQL’s ...

Objects on the diagram are created by dragging the icons from the left frame on the screen (two groups are important: "Entity Relationship" i "Object Relational"). If you want to access the database ...

This study presents an enhanced empirical research framework for object-relational database design based on conceptual modeling. This paper describes a proposal for heuristic rules for designing an ...