How to Enable Block Change Tracking

Check block change tracking ENABLED

SQL>SELECT status, filename FROM V$BLOCK_CHANGE_TRACKING


STATUS     FILENAME
---------- -----------------------------------------------
ENABLED    +DATA2/LG6PRDD/CHANGETRACKING/ctf.556.939400999

Check parameter ‘ DB_CREATE_FILE_DEST’

Setup this parameter if not yet:

SQL>ALTER SYSTEM SET DB_CREATE_FILE_DEST = '+DATA2';

Enable block change tracking

SQL>ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;