User-defined types allows
you to create user-defined types. A user-defined type is a serializable Java
class whose instances are stored in columns. The class must implement the
java.io.Serializable interface.user-defined typesdata typesuser-defined
For information on creating and removing types, see
and
. See
and
for information on usage
privileges for types.
For information on writing the Java classes that implement user-defined
types, see "Programming user-defined types" in the
.