Oracle 11g solution for ORA-16227: DDL skipped due to missing object

Oracle 11g solution for ORA-16226: DDL skipped due to lack of support

Oracle 11g solution for ORA-16225: Missing LogMiner session name for Streams

Oracle 11g solution for ORA-16224: Database Guard is enabled

Oracle 11g solution for ORA-16223: DDL skipped, unsupported in current version

Oracle 11g solution for ORA-16222: automatic Logical Standby retry of last action

Oracle 11g solution for ORA-16221: history table synchronization error

Oracle 11g solution for ORA-16220: no failed transaction found

Oracle 11g solution for ORA-16219: This database is not preparing to switch over.

Oracle 11g solution for ORA-16218: This database is already preparing to switch over.

Oracle 11g solution for ORA-16217: prepare to switchover has not completed

Oracle 11g solution for ORA-16216: Log stream sequence error