Oracle教程之管理表空间（十一）--显示表空间和数据文件
1)显示表空间和数据文件信息
00:03:23 SQL> col tablespace_name for a20or a20
02:17:46 SQL> select tablespace_name,status ,contents,bigfile
02:18:03 2 from dba_tablespaces;
TABLESPACE_NAME STATUS CONTENTS BIG
-------------------- --------- --------- ---
SYSTEM ONLINE PERMANENT NO
UNDOTBS1 ONLINE UNDO NO
SYSAUX ONLINE PERMANENT NO
TEMP ONLINE TEMPORARY NO
USERS ONLINE PERMANENT NO
EXAMPLE ONLINE PERMANENT NO
USERS01 ONLINE PERMANENT NO
USERS02 ONLINE PERMANENT NO
UNDOTBS02 ONLINE UNDO NO
TEMP01 ONLINE TEMPORARY NO
TEMP02 ONLINE TEMPORARY YES
TEMP03 ONLINE TEMPORARY NO
TBSP_16K ONLINE PERMANENT NO
13 rows selected.
2）显示表空间的编号和名称
02:19:40 SQL> select * from v$tablespace;
TS# NAME INC BIG FLA ENC
---------- ------------------------------ --- --- --- ---
0 SYSTEM YES NO YES
1 UNDOTBS1 YES NO YES
2 SYSAUX YES NO YES
4 USERS YES NO YES
3 TEMP NO NO YES
6 EXAMPLE YES NO YES
7 USERS01 YES NO YES
8 USERS02 YES NO YES
10 UNDOTBS02 YES NO YES
11 TEMP01 NO NO YES
12 TEMP02 NO YES YES
14 TEMP03 NO NO YES
17 TBSP_16K YES NO YES
13 rows selected.
Inc 用于标识当使用RMAN进行完全数据库备份时是否包含该表空间。
Fla 用于标识表空间是否支持FLASHBACK DATABASE 特征。
3) 显示空间所包含的数据文件
02:19:56 SQL> col file_name for a40 or a40
02:23:05 SQL> col file_name for a40
02:23:08 SQL> select file_name,bytes,maxbytes,autoextensible
02:23:29 2 from dba_data_files
02:23:44 3 where tablespace_name='USERS01';
FILE_NAME BYTES MAXBYTES AUT
---------------------------------------- ---------- ---------- ---
/disk1/oradata/orcl/user01.dbf 10485760 0 NO
02:24:05 SQL>
4）显示数据文件动态信息
02:23:05 SQL> col file_name for a40
02:23:08 SQL> select file_name,bytes,maxbytes,autoextensible
02:23:29 2 from dba_data_files
02:23:44 3 where tablespace_name='USERS01';
FILE_NAME BYTES MAXBYTES AUT
---------------------------------------- ---------- ---------- ---
/disk1/oradata/orcl/user01.dbf 10485760 0 NO
02:24:05 SQL> COL NAME FORMAT A25T A25
02:25:49 SQL> COL NAME FORMAT A25
02:25:51 SQL> select name,checkpoint_time,checkpoint_change#
02:26:13 2 from v$datafile;
NAME CHECKPOINT_TIME CHECKPOINT_CHANGE#
------------------------- ------------------- ------------------
/u01/app/oracle/oradata/o 2011-02-22 00:03:08 857333
rcl/system01.dbf
/u01/app/oracle/oradata/o 2011-02-22 00:03:08 857333
rcl/undotbs01.dbf
/u01/app/oracle/oradata/o 2011-02-22 00:03:08 857333
rcl/sysaux01.dbf
/u01/app/oracle/oradata/o 2011-02-22 00:03:08 857333
rcl/users01.dbf
/u01/app/oracle/oradata/o 2011-02-22 00:03:08 857333
rcl/example01.dbf
/disk1/oradata/orcl/user0 2011-02-22 00:03:08 857333
1.dbf
NAME CHECKPOINT_TIME CHECKPOINT_CHANGE#
------------------------- ------------------- ------------------
/disk2/oradata/orcl/user0 2011-02-22 00:03:08 857333
1.dbf
/disk2/oradata/orcl/tbs_1 2011-02-22 00:03:08 857333
6k02.dbf
/disk2/oradata/orcl/undo0 2011-02-22 00:03:08 857333
2.dbf
/disk2/oradata/orcl/tbs_1 2011-02-22 00:03:08 857333
6k01.dbf
10 rows selected.
5）显示临时表空间组的信息
02:26:20 SQL> select tablespace_name from dba_tablespace_groups
02:28:19 2 where group_name='TEMGRP01';
TABLESPACE_NAME
--------------------
TEMP01
TEMP02
TEMP03
6)显示临时表空间所包含的临时文件
02:30:13 SQL> select file_name,bytes,maxbytes ,autoextensible
02:30:22 2 from dba_temp_files;
FILE_NAME BYTES MAXBYTES AUT
---------------------------------------- ---------- ---------- ---
/u01/app/oracle/oradata/orcl/temp01.dbf 20971520 3.4360E+10 YES
/disk3/oradata/orcl/temp01.dbf 5242880 0 NO
/disk3/oradata/orcl/temp02.dbf 5242880 0 NO
/disk3/oradata/orcl/temp03.dbf 5242880 0 NO
7）显示临时文件动态信息
02:30:24 SQL> select name,status ,enabled
02:31:26 2 from v$tempfile;
NAME STATUS ENABLED
------------------------- ------- ----------
/u01/app/oracle/oradata/o ONLINE READ WRITE
rcl/temp01.dbf
/disk3/oradata/orcl/temp0 ONLINE READ WRITE
1.dbf
/disk3/oradata/orcl/temp0 ONLINE READ WRITE
2.dbf
/disk3/oradata/orcl/temp0 ONLINE READ WRITE
3.dbf
CUUG
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