Upgrading database applications
Upgrading your existing database applications to Db2® version 11.5 involves managing the changes between version 11.5 and previous releases that impact these applications and verifying that these applications function as expected. Managing these changes might require that you modify your applications code and rebuild your applications.
You only need to modify your application code to manage changes in Db2 version 11.5 that impact your applications, to remove the use of deprecated or discontinued functionality in Db2 version 11.5, or to use new functionality.
Before you begin
- Ensure that you have access to a Db2 version 11.5 server, including instances and databases. The Db2 server can be part of a testing environment.
- Ensure that you meet the installation requirements for Db2 database products.
- Ensure that the development software is at a version level that is supported by Db2 database products.
- Perform the pre-upgrade tasks for database applications.
Restrictions
This procedure only applies to database applications programmed in C, C++, COBOL, FORTRAN, Java™, Perl, PHP, REXX, and .NET languages.
Procedure
To upgrade your database applications to Db2 version 11.5:
What to do next
After upgrading your database applications, perform the recommended post-upgrade tasks for database applications to ensure that your upgrade was successful.