Class files for running UpdateDB are located in the install_home\tools\maximo\classes\psdi\script\en directory. Script files are located in the install_home\tools\maximo\en directory.
If you encounter problems during the system update process, the system logs errors to the install_home\tools\maximo\logs\Update+Timestamp.log file. You can examine the logs to determine the source of update errors.
When you successfully complete a database patch update, the database build version in the MAXVARS table is revised.