IBM DB2 made a market for the relational database in 1983, but its future is in stream processing and unstructured data management.

In the 1970s, Don Haderle and a team of researchers at IBM began a project that would change the face of the company's database business forever.

The fruits of their labor would come to be known as DB2, and would <A HREF="http://www.eweek.com/c/a/Database/IBM-DB2-Turns-25-and-Prepares-for-New-Life/?kc=EWKNLENT061308FEA1">hit the market in 1983</A> to become a force for IBM among relational databases.