VIREX is a user-oriented novel approach for visual-querying of relational databases and converting the result into XML. VIREX works even when the catalogue of the relational database is missing; it extracts the required catalogue information by analyzing the database content. Further, VIREX allows the user to define views by specifying on the interactive diagram certain factors to be considered while converting relational data into XML. As a result, VIREX displays on the screen the XML schema that satisfies the specified characteristics and generates colored (easy to read) XML document(s).
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