Oracle Error Message
ORA-42309: view string.string is already in read/write mode
Reason for the Error
An attempt was made to set a read/write view in read/write mode.
Solution
This DDL can only be executed on a read-only view.
ORA-42309: view string.string is already in read/write mode
An attempt was made to set a read/write view in read/write mode.
This DDL can only be executed on a read-only view.