Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

Through the many changes in IT over the years, one constant has always been a concern for performance. With database systems there is especially true. Even with the many advances in relational ...

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 ...

Many applications have the evil feature that asks programmers to create a "Query tool" to allow end users (who don't know SQL or the exact schema of the DB) to create their own queries to look up ...

SAN FRANCISCO--(BUSINESS WIRE)--Upsolver, the company dedicated to making data in motion accessible to every data practitioner, today announced the general availability of SQLake. The new service ...

CData, the company making it easy to connect, integrate, and automate enterprise data, is introducing a new capability for CData Connect Cloud, a cloud data solution that provides governed access to ...