文档解释 ORA-22859: invalid modification of columns Cause: An attempt was made to modify an object, REF, VARRAY, nested table, or LOB column type. A……

文档解释 ORA-16135: Invalid LOG_ARCHIVE_CONFIG modification while in protected mode Cause: The LOG_ARCHIVE_CONFIG parameter can not be modified whil……

文档解释 ORA-22884: object modification failed Cause: The object could not be modified in the database. Action: Check to see if the object table exi……