What does this mean???? SQL> select * from v$datafile where UNRECOVERABLE_CHANGE# <>0; FILE# CREATION_CHANGE# CREATION_ TS# RFILE# STATUS ENABLED ---------- ---------------- --------- ---------- ---------- ------- ---------- CHECKPOINT_CHANGE# CHECKPOIN UNRECOVERABLE_CHANGE# UNRECOVER LAST_CHANGE# ------------------ --------- --------------------- --------- ------------ LAST_TIME OFFLINE_CHANGE# ONLINE_CHANGE# ONLINE_TI BYTES BLOCKS --------- --------------- -------------- --------- ---------- ---------- CREATE_BYTES BLOCK_SIZE ------------ ---------- NAME -------------------------------------------------------------------------------- PLUGGED_IN BLOCK1_OFFSET ---------- ------------- AUX_NAME -------------------------------------------------------------------------------- 6 10519 08-JAN-99 3 6 ONLINE READ WRITE 2809106041 16-NOV-05 867539955 29-NOV-04 700381928 700381929 12-JUN-04 1677721600 204800 0 8192 F:\OR15\AP_INDEX_A.DBS 0 8192 UNKNOWN