November 14, 2003

JDO 2.0 Preview: Java Object Persistence Made Easy

he Java Data Objects (JDO) 1.0 specification, accepted in May 2002, was the first standard, data store-neutral specification designed specifically for Java object persistence. Java developers already had many persistence options available to them at the time, including serialization, JDBC, entity beans, object databases, and O/R mapping tools, but these