Fundamentals of Database Systems
Fundamentals of Database Systems
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This research is motivated by the insufficient tools for data sharing and data integration in the relational database model. Data integration requires a union of multiple queries to merge semantically similar data from different sources. The eXtensible Relational Database (XRDB) model [2] is a conceptual solution to this problem and it introduces an extension to SQL, the eXtensible Template Query Language (XTQL), to facilitate and automate data sharing.