Java Data Objects (JDO) is an application program interface (API) that
enables a Java programmer to access a
database implicitly - that
is, without having to make explicit Structured Query Language (SQL) statements. JDO is recommended
as a complement to Java Database Connectivity (JDBC), the
interface that supports access to popular database programs using SQL statements. Using JDO, the
programmer uses classes to define data
objects and the supporting program manages the actual access of data from a given database based on
the class definitions.
JDO was created as part of the Java Community Process with Sun Microsystems
acting as the development leader. JDBC is expected to remain in use because it allows the
programmer to have more control over database access than JDO. An alternative to JDO and JDBC is
Enterprise JavaBeans (EJB).
This was last updated in September 2005
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