The document summarizes steps taken to update the database (db) nodes on an Exadata system from software version 11.2.3.2.1 to 11.2.3.3.0 using the dbnodeupdate.sh utility. It provides details of prerequisites, running the utility in update mode with the -u flag and specified media source, and validations performed during the process including dependency checks. The summary includes checking for known issues, collecting diagnostics, and noting next steps after upgrade completion.