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标签归档:ORA-03262
删除Oracle数据文件/临时文件
有些时候,想删除一个数据文件(临时文件),在10g之前的版本,要删除一个数据文件,必须删除该数据文件所属的表空间(特殊处理方法除外)。不太懂数据库的朋友直接os级别删除数据文件,导致数据库不能正常启动;稍微等点数据库的朋友,会先offline数据文件,然后os级别删除,但是这条数据文件的记录还保留在数据字典中,不爽(特殊处理办法见:清除离线数据文件记录)。在10g及其以后版本中,oracle提供了alter tablespace talbespace_name drop datafile/tempfile path/file_id进行删除某个数据文件
一、删除数据文件
[oracle@ECP-UC-DB1 ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.4.0 - Production on Thu Dec 8 11:22:38 2011 Copyright (c) 1982, 2007, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> col tablespace_name for a20 SQL> col file_name for a50 SQL> set line 120 SQL> select file_id,file_name,tablespace_name 2 from dba_data_files order by tablespace_name; FILE_ID FILE_NAME TABLESPACE_NAME ---------- -------------------------------------------------- -------------------- 9 /opt/oracle/oradata/test/odu01.dbf ODU 10 /opt/oracle/oradata/test/odu03.dbf ODU 8 /opt/oracle/oradata/test/odu02.dbf ODU 3 /opt/oracle/oradata/test/sysaux01.dbf SYSAUX 1 /opt/oracle/oradata/test/system01.dbf SYSTEM 2 /opt/oracle/oradata/test/undotbs01.dbf UNDOTBS1 5 /opt/oracle/oradata/test/user32g.dbf USERS 7 /opt/oracle/oradata/test/user02.dbf USERS 4 /opt/oracle/oradata/test/users01.dbf USERS 6 /opt/oracle/oradata/test/xifenfei01.dbf XFF 11 /opt/oracle/oradata/test/xifenfei03.dbf XFF 11 rows selected. SQL> !ls -l /opt/oracle/oradata/test/*.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 8 00:05 /opt/oracle/oradata/test/odu01.dbf -rw-r----- 1 oracle oinstall 11282685952 Dec 8 00:05 /opt/oracle/oradata/test/odu02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/odu03.dbf -rw-r----- 1 oracle oinstall 387981312 Dec 8 12:36 /opt/oracle/oradata/test/sysaux01.dbf -rw-r----- 1 oracle oinstall 534781952 Dec 8 12:45 /opt/oracle/oradata/test/system01.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 7 22:01 /opt/oracle/oradata/test/temp01.dbf -rw-r----- 1 oracle oinstall 1289756672 Dec 8 12:45 /opt/oracle/oradata/test/undotbs01.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/user02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/user32g.dbf -rw-r----- 1 oracle oinstall 5251072 Dec 8 00:05 /opt/oracle/oradata/test/users01.dbf -rw-r----- 1 oracle oinstall 20979712 Dec 8 00:05 /opt/oracle/oradata/test/xifenfei01.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/xifenfei03.dbf SQL> alter tablespace xff drop datafile 11; alter tablespace xff drop datafile 11 * ERROR at line 1: ORA-03262: the file is non-empty SQL> col segment_name for a20 SQL> select owner,SEGMENT_NAME,FILE_ID,BLOCKS from dba_extents 2 where file_id=11; OWNER SEGMENT_NAME FILE_ID BLOCKS ------------------------------ -------------------- ---------- ---------- CHF XFF_TEST 11 8 CHF XFF_TEST 11 128 CHF XFF_TEST 11 128 CHF T_XFF 11 128 CHF T_XFF 11 128 SQL> alter table chf.xff_test move tablespace users; Table altered. SQL> alter table chf.t_xff move tablespace users; Table altered. SQL> select owner,SEGMENT_NAME,FILE_ID,BLOCKS from dba_extents 2 where file_id=11; no rows selected SQL> alter tablespace xff drop datafile 11; Tablespace altered. SQL> select file_id,file_name,tablespace_name 2 from dba_data_files order by tablespace_name; FILE_ID FILE_NAME TABLESPACE_NAME ---------- -------------------------------------------------- -------------------- 9 /opt/oracle/oradata/test/odu01.dbf ODU 10 /opt/oracle/oradata/test/odu03.dbf ODU 8 /opt/oracle/oradata/test/odu02.dbf ODU 3 /opt/oracle/oradata/test/sysaux01.dbf SYSAUX 1 /opt/oracle/oradata/test/system01.dbf SYSTEM 2 /opt/oracle/oradata/test/undotbs01.dbf UNDOTBS1 4 /opt/oracle/oradata/test/users01.dbf USERS 7 /opt/oracle/oradata/test/user02.dbf USERS 5 /opt/oracle/oradata/test/user32g.dbf USERS 6 /opt/oracle/oradata/test/xifenfei01.dbf XFF 10 rows selected. SQL> !ls -l /opt/oracle/oradata/test/*.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 8 00:05 /opt/oracle/oradata/test/odu01.dbf -rw-r----- 1 oracle oinstall 11282685952 Dec 8 00:05 /opt/oracle/oradata/test/odu02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/odu03.dbf -rw-r----- 1 oracle oinstall 387981312 Dec 8 12:36 /opt/oracle/oradata/test/sysaux01.dbf -rw-r----- 1 oracle oinstall 534781952 Dec 8 12:45 /opt/oracle/oradata/test/system01.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 7 22:01 /opt/oracle/oradata/test/temp01.dbf -rw-r----- 1 oracle oinstall 1289756672 Dec 8 12:45 /opt/oracle/oradata/test/undotbs01.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 12:52 /opt/oracle/oradata/test/user02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 12:52 /opt/oracle/oradata/test/user32g.dbf -rw-r----- 1 oracle oinstall 5251072 Dec 8 12:52 /opt/oracle/oradata/test/users01.dbf -rw-r----- 1 oracle oinstall 20979712 Dec 8 12:52 /opt/oracle/oradata/test/xifenfei01.dbf
二、删除临时表空间文件
SQL> alter tablespace temp add tempfile '/opt/oracle/oradata/test/xff_temp02.dbf' size 10m; Tablespace altered. SQL> select file_id,file_name,tablespace_name from dba_temp_files; FILE_ID FILE_NAME TABLESPACE_NAME ---------- -------------------------------------------------- -------------------- 2 /opt/oracle/oradata/test/xff_temp02.dbf TEMP 1 /opt/oracle/oradata/test/temp01.dbf TEMP SQL> !ls -l /opt/oracle/oradata/test/*.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 8 00:05 /opt/oracle/oradata/test/odu01.dbf -rw-r----- 1 oracle oinstall 11282685952 Dec 8 00:05 /opt/oracle/oradata/test/odu02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/odu03.dbf -rw-r----- 1 oracle oinstall 387981312 Dec 8 13:00 /opt/oracle/oradata/test/sysaux01.dbf -rw-r----- 1 oracle oinstall 534781952 Dec 8 12:58 /opt/oracle/oradata/test/system01.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 7 22:01 /opt/oracle/oradata/test/temp01.dbf -rw-r----- 1 oracle oinstall 1289756672 Dec 8 12:57 /opt/oracle/oradata/test/undotbs01.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 12:57 /opt/oracle/oradata/test/user02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 12:57 /opt/oracle/oradata/test/user32g.dbf -rw-r----- 1 oracle oinstall 5251072 Dec 8 12:57 /opt/oracle/oradata/test/users01.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 13:00 /opt/oracle/oradata/test/xff_temp02.dbf -rw-r----- 1 oracle oinstall 20979712 Dec 8 12:57 /opt/oracle/oradata/test/xifenfei01.dbf SQL> alter tablespace temp drop tempfile 2; Tablespace altered. SQL> !ls -l /opt/oracle/oradata/test/*.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 8 00:05 /opt/oracle/oradata/test/odu01.dbf -rw-r----- 1 oracle oinstall 11282685952 Dec 8 00:05 /opt/oracle/oradata/test/odu02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 00:05 /opt/oracle/oradata/test/odu03.dbf -rw-r----- 1 oracle oinstall 387981312 Dec 8 13:00 /opt/oracle/oradata/test/sysaux01.dbf -rw-r----- 1 oracle oinstall 534781952 Dec 8 12:58 /opt/oracle/oradata/test/system01.dbf -rw-r----- 1 oracle oinstall 104865792 Dec 7 22:01 /opt/oracle/oradata/test/temp01.dbf -rw-r----- 1 oracle oinstall 1289756672 Dec 8 12:57 /opt/oracle/oradata/test/undotbs01.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 12:57 /opt/oracle/oradata/test/user02.dbf -rw-r----- 1 oracle oinstall 10493952 Dec 8 12:57 /opt/oracle/oradata/test/user32g.dbf -rw-r----- 1 oracle oinstall 5251072 Dec 8 12:57 /opt/oracle/oradata/test/users01.dbf -rw-r----- 1 oracle oinstall 20979712 Dec 8 12:57 /opt/oracle/oradata/test/xifenfei01.dbf
三、注意事项
1、Oracle Database 10g Release 2及其以上版本
2、删除数据文件从数据库和系统
3、数据文件必须为空
4、数据文件不是对应表空间的最后一个
5、不能删除只读表空间中数据文件
6、不能删除system中数据文件
7、不能删除本地管理的offline表空间数据文件