It may become tedious if there are many columns in the relational tables. A more compact way is to use UNPIVOT to move values from multiple columns into multiple output rows. For example, the following SQL unpivots four columns (ID, REPORT_TO, BIRTH_YEAR, NAME)into four separate...
A semantic knowledgebase of relevant information can be generated and consequently connected to other linked data available online. This database is intended to show interconnections and dependencies in a more detailed and precise way than classic relational data structures. New knowledge can be discover...
A system and method of converting a recursive XML document into a relational schema comprises providing a recursive XML document; parsing an external mapping script specifying a map
Artem Chebotko et al, Semantics Preserving SPARQL-to-SQL Query Translation for Optional Graph Patterns, May 2006, Wayne State University Department of Computer Science, 15 pages. Artem Chebotko, et al. Extending Relational Databases with a Nested Optional Join for Efficient Semantic Web Query Proces...
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Shimura et al., “Storage and Retrieval of XML Documents Using Object-Relational Databases” Proc. of the 10th International Conference on Database and Expert Systems Applications (DEXA'99), Lecture Notes in Computer Science, 1999, vol. 1677, pp. 206-217. Notification of Transmittal of the ...