Query federation is a way to make use of distributed data sources on the Web, including many SPARQL endpoints as well as relational databases. SWObjects makes use of mapping rules represented as ...

Fusion of Query Processing Techniques (40 minutes)}. We introduce relational database techniques for answering graph queries where data are arranged as relational tables, and graph database techniques ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Today, Structured Query Language is the standard means of manipulating and querying data in relational databases, though with proprietary extensions among the products.

With its ability to convert natural language questions into SQL queries, the addition of ChatGPT to the high-performance, real-time Kinetica database makes it possible for business users to obtain ...