In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some data, and running a variety of SQL queries.

I need to use a GUI SQL Query builder in a demo in the near future. Is there a decent, open-source one that generates plain ANSI SQL? Preferably through ODBC, but JDBC might work as well. The ...

SWObjects can also rewrite SPARQL queries in SQL, effectively including relational databases alongside SPARQL endpoints in a linked data federation.