Installation Guide Install or Upgrade Oracle Argus Safety Database Tier Upgrade the Oracle Argus Insight Data Mart Structure Prepare for Database Upgrade Prepare for Database Upgrade Before upgrading, make sure: Take the latest Liquibase build for 8.2.3. Recreate the DBA User. (See Create the DBA User.) Recreate the Oracle Argus Safety RO User of Oracle Argus Insight. Recreate the DB_LINK_ARGUS from Oracle Argus Insight to Oracle Argus Safety. (See From Oracle Argus Insight to Oracle Argus Safety (manually)) Parent topic: Upgrade the Oracle Argus Insight Data Mart Structure