SQL> SELECT file_name, file_id, tablespace_name, BYTES, blocks, status, relative_fno, maxbytes, maxblocks, online_status FROM dba_data_files;
FILE_NAME FILE_ID TABLESPACE_NAME BYTES BLOCKS STATUS RELATIVE_FNO MAXBYTES MAXBLOCKS ONLINE_
---------------------------------------------- ---------- -------------------- ---------- ---------- --------- ------------ ---------------------- ---------- -------
/u01/app/oracle11g/oradata/test/system01.dbf 1 SYSTEM 807403520 98560 AVAILABLE 1 34359721984 4194302 SYSTEM
/u01/app/oracle11g/oradata/test/sysaux01.dbf 2 SYSAUX 880803840 107520 AVAILABLE 2 34359721984 4194302 ONLINE
/u01/app/oracle11g/oradata/test/undotbs01.dbf 3 UNDOTBS1 1073741824 131072 AVAILABLE 3 34359721984 4194302 ONLINE
/u01/app/oracle11g/oradata/test/users01.dbf 4 USERS 687865856 83968 AVAILABLE 4 34359721984 4194302 ONLINE
/u01/app/oracle11g/oradata/test/example01.dbf 5 EXAMPLE 104857600 12800 AVAILABLE 5 34359721984 4194302 ONLINE
/u01/app/oracle11g/oradata/test/rman01.dbf 6 RMAN 67108864 8192 AVAILABLE 6 34359721984 4194302 ONLINE
/u01/app/oracle11g/oradata/test/tools01.dbf 7 TOOLS 67108864 8192 AVAILABLE 7 34359721984 4194302 ONLINE
/u01/app/oracle11g/oradata/test/test01.dbf 8 TEST 67108864 8192 AVAILABLE 8 34359721984 4194302 ONLINE
SQL> SELECT block1_offset,name FROM v$datafile;
BLOCK1_OFFSET NAME
------------- --------------------------------------------------
8192 /u01/app/oracle11g/oradata/test/system01.dbf
8192 /u01/app/oracle11g/oradata/test/sysaux01.dbf
8192 /u01/app/oracle11g/oradata/test/undotbs01.dbf
8192 /u01/app/oracle11g/oradata/test/users01.dbf
8192 /u01/app/oracle11g/oradata/test/example01.dbf
8192 /u01/app/oracle11g/oradata/test/rman01.dbf
8192 /u01/app/oracle11g/oradata/test/tools01.dbf
8192 /u01/app/oracle11g/oradata/test/test01.dbf
8 rows selected.
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