A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

The similarities and differences between HDBMS, NDBMS, RDBMS and OODBMS give the clear cut idea to the user or database designer of selecting better model for storing information. In this paper, the ...

Last issue I talked about Thor Technologies, its new round of funding and its “best of breed” solutions. But what the Thor folks really wanted to talk about was the use of SQL-based relational ...

Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

I'd like to eventually become a full-time database developer, and I'm leaning toward Microsoft rather than Oracle. Right now I am in a database application support position, supporting various ...

We are always looking for ways to make our solutions work better and smarter. We accomplish this by tracking the performance of each of the components underlying our solution. All this critical ...

A comment by frequent contributor JesperFrimann last week caused me to take a closer look at licensing practices among major commercial database vendors other than Microsoft. All three of the big guys ...

Developers rely on JSON -- giving rise to NoSQL document databases. VoltDB CTO Ryan Betts predicts JSON will ultimately be incorporated into relational database software, too The long hegemony of SQL ...

The relational database so dominates the thinking of information technology and business professionals that its presumed suitability for essentially all data management tasks is rarely questioned. But ...