You only need to modify your application code to manage changes in DB2 Version 9.7 that impact your applications, to remove the use of deprecated or discontinued functionality in DB2 Version 9.7, or to use new functionality.
Restrictions
This procedure only applies to database applications programmed in C, C++, COBOL, FORTRAN, Java™, Perl, PHP, REXX, and .NET languages.
Perform the pre-upgrade tasks for database applications.
To upgrade your database applications to DB2 Version 9.7: