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 this release. 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