Answer / guest

Cause: An ALTER DATABASE FLASHBACK ON command failed because
media recovery was not enabled.

Action: Turn on media recovery with an ALTER DATABASE
ARCHIVELOG command and then retry the command.

Please add more information about this Error

Answer / nimai karmakar

on mount mode

SQL>alter database archivelog;

it will solve the problem

RMAN-06156: validation succeeded for controlfile copy

1 Answers  

---

TNS-00263: Navigator: Request Failed

1 Answers  

---

PLS-00105: at most one forward declaration of type 'string' is permitted

1 Answers  

---

RMAN-06529: CHANGE ... KEEP not supported for ARCHIVELOG

1 Answers  

---

ORA-28221: REPLACE not specified

1 Answers  

---

CLSR-01011: Invalid instance startup mode [string] is specified

1 Answers  

---

DRG-12016: The target document for this operation has moved - continue?

1 Answers  

---

ORA-32588: supplemental logging attribute string exists

1 Answers  

---

ORA-32576: missing TYPE keyword

1 Answers  

---

TNS-12560: TNS:protocol adapter error

1 Answers  

---

ORA-13365: layer SRID does not match geometry SRID

1 Answers  

---

RMAN-20272: no parent backup found for the incremental backup

1 Answers  

---