Send the following on WhatsApp
Continue to ChatENABLE_DDL_LOGGING In Oracle 12c http://oracle-help.com/oracle-12c/oracle-12cr2/enable_ddl_logging-oracle-12c/
ENABLE_DDL_LOGGING In Oracle 12c http://oracle-help.com/oracle-12c/oracle-12cr2/enable_ddl_logging-oracle-12c/