Primary Database

Cascading Physical Standby Database

DB_UNIQUE_NAME=boston2FAL_SERVER=bostonLOG_ARCHIVE_CONFIG= 'DG_CONFIG=(boston,boston2,denver)'LOG_ARCHIVE_DEST_1='LOCATION= USE_DB_RECOVERY_FILE_DESTVALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=boston2'LOG_ARCHIVE_DEST_2= 'SERVICE=denver VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE) DB_UNIQUE_NAME=denver'

Cascaded Physical Standby Database

DB_UNIQUE_NAME=denverFAL_SERVER=boston2LOG_ARCHIVE_CONFIG='DG_CONFIG=(boston,boston2,denver)'LOG_ARCHIVE_DEST_1='LOCATION= USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=denver'