Message format transformation features (Oracle Advanced Queuing)
Subprocedures: CREATE_TRANSFORMATION Create a transformation that maps an object of the source type to an object of the destination type MODIFY_TRANSFORMATION Modify an existing transformation DROP_TRANSFORMATION Drop the given transformation
For full documentation of the packaged procedures
above see the Oracle Manual:
"Oracle9i Supplied PL/SQL Packages and Types Reference"
also see "Oracle9i Application Developer's Guide - Advanced Queuing"
or the book Oracle Built in Packages
by Steven Feuerstein et al