SYS@ORCL>create tablespace tyger datafile '/u01/app/oracle/oradata/ORCL/tyger01.dbf' size 5M;
Tablespace created.
SYS@ORCL>select tablespace_name,file_name,status from dba_data_files;
TABLESPACE FILE_NAME STATUS
---------- -------------------------------------------------- ---------
USERS /u01/app/oracle/oradata/ORCL/users01.dbf AVAILABLE
SYSAUX /u01/app/oracle/oradata/ORCL/sysaux01.dbf AVAILABLE
UNDOTBS1 /u01/app/oracle/oradata/ORCL/undotbs01.dbf AVAILABLE
SYSTEM /u01/app/oracle/oradata/ORCL/system01.dbf AVAILABLE
EXAMPLE /u01/app/oracle/oradata/ORCL/example01.dbf AVAILABLE
TYGER /u01/app/oracle/oradata/ORCL/tyger01.dbf AVAILABLE
6 rows selected.
SYS@ORCL>!
[oracle@tyger ~]$ cd $ORACLE_BASE/oradata/ORCL/
[oracle@tyger ORCL]$ ll
total 1068456
-rw-r----- 1 oracle oinstall 7061504 Mar 1 16:06 control01.ctl
-rw-r----- 1 oracle oinstall 7061504 Mar 1 16:06 control02.ctl
-rw-r----- 1 oracle oinstall 7061504 Mar 1 16:06 control03.ctl
-rw-r----- 1 oracle oinstall 104865792 Mar 1 15:47 example01.dbf
-rw-r----- 1 oracle oinstall 52429312 Mar 1 15:47 redo01.log
-rw-r----- 1 oracle oinstall 52429312 Mar 1 16:06 redo02.log
-rw-r----- 1 oracle oinstall 52429312 Mar 1 15:47 redo03.log
-rw-r----- 1 oracle oinstall 251666432 Mar 1 16:05 sysaux01.dbf
-rw-r----- 1 oracle oinstall 503324672 Mar 1 16:05 system01.dbf
-rw-r----- 1 oracle oinstall 20979712 Mar 1 08:42 temp01.dbf
-rw-r----- 1 oracle oinstall 5251072 Mar 1 16:03 tyger01.dbf
-rw-r----- 1 oracle oinstall 26222592 Mar 1 16:05 undotbs01.dbf
-rw-r----- 1 oracle oinstall 5251072 Mar 1 15:47 users01.dbf
[oracle@tyger ORCL]$ rm tyger01.dbf ----------干掉 tyger01.dbf
[oracle@tyger ORCL]$ ll
total 1063316
-rw-r----- 1 oracle oinstall 7061504 Mar 1 16:08 control01.ctl
-rw-r----- 1 oracle oinstall 7061504 Mar 1 16:08 control02.ctl
-rw-r----- 1 oracle oinstall 7061504 Mar 1 16:08 control03.ctl
-rw-r----- 1 oracle oinstall 104865792 Mar 1 15:47 example01.dbf
-rw-r----- 1 oracle oinstall 52429312 Mar 1 15:47 redo01.log
-rw-r----- 1 oracle oinstall 52429312 Mar 1 16:08 redo02.log
-rw-r----- 1 oracle oinstall 52429312 Mar 1 15:47 redo03.log
-rw-r----- 1 oracle oinstall 251666432 Mar 1 16:05 sysaux01.dbf
-rw-r----- 1 oracle oinstall 503324672 Mar 1 16:05 system01.dbf
-rw-r----- 1 oracle oinstall 20979712 Mar 1 08:42 temp01.dbf
-rw-r----- 1 oracle oinstall 26222592 Mar 1 16:08 undotbs01.dbf
-rw-r----- 1 oracle oinstall 5251072 Mar 1 15:47 users01.dbf
[oracle@tyger ORCL]$ exit
SYS@ORCL>select tablespace_name,file_name,status from dba_data_files;
TABLESPACE FILE_NAME STATUS
---------- -------------------------------------------------- ---------
USERS /u01/app/oracle/oradata/ORCL/users01.dbf AVAILABLE
SYSAUX /u01/app/oracle/oradata/ORCL/sysaux01.dbf AVAILABLE
UNDOTBS1 /u01/app/oracle/oradata/ORCL/undotbs01.dbf AVAILABLE
SYSTEM /u01/app/oracle/oradata/ORCL/system01.dbf AVAILABLE
EXAMPLE /u01/app/oracle/oradata/ORCL/example01.dbf AVAILABLE
TYGER /u01/app/oracle/oradata/ORCL/tyger01.dbf AVAILABLE ------- 数据库中还存在是因为没有识别到文件丢失
6 rows selected.
SYS@ORCL>shutdown immediate
ORA-03113: end-of-file on communication channel 这个错误也有很多原因，这里不做讨论
SYS@ORCL>exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@tyger ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Mar 1 16: