db4o, an open source object database system with broad industry
applicability, belongs to a popular database management systems that has
close to 2 million downloads to date. Here we'll illustrate the features and
application areas of such a database and compare db4o against relational
DBMS/object relational (OR) mappers.
It seems as if object databases are enjoying a rebirth. After the disastrous
but probably quite purifying hype of the '90s, many providers now offer
sophisticated products. Besides db4o, the products by Intersystems,
Objectivity, Gemstone, and Versant deserve t... (more)