Oracle Manual Full Recovery (iv) database recover data files in open state

Case 3: (Recover tablespace, database open state)

--database Recover data files in open state (except system tablespace)

(1) Simulation Environment:

06:10:52 sql> INSERT INTO scott.t01 values (4);

1 row created.

06:13:12 sql> INSERT INTO scott.t01 values (5);

1 row created.

06:13:13 sql> INSERT INTO scott.t01 values (6);

1 row created.

06:13:15 sql> commit;

Commit complete.

06:13:17 sql> SELECT * from scott.t01;

Id

----------

1

2

3

4

5

6

6 rows selected.

--delete datafile in open state

[Oracle@work ~]$ rm/u01/app/oracle/oradata/prod/test*.dbf

[Oracle@work ~]$

Sql> select * from SCOTT.TB01;

Id

----------

1

2

3

4

5

6

7

8

8 rows selected.

Sql> alter system flush Buffer_cache; Clear Data buffer

System altered.

Sql> select * from SCOTT.DB01;

SELECT * FROM SCOTT.DB01

*

ERROR at line 1:

Ora-00942:table or view does not exist

06:15:09 sql> SELECT * from scott.t01;

SELECT * FROM scott.t01

*

ERROR at line 1:

Ora-01116:error in opening database file 8

Ora-01110:data file 8: '/U01/APP/ORACLE/ORADATA/PROD/TEST02.DBF '

Ora-27041:unable to open File

Linux error:2: No such file or directory

Additional Information:3

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(2) View datafile information

Sql> Select A.name,b.file#,b.name from v$tablespace a,v$datafile b where a.ts#=b.ts#;

Name file# name

-------------------------------------------------- ---------- --------------------------------------------------

SYSTEM 1/u01/app/oracle/oradata/anny/system01.dbf

Sysaux 3/u01/app/oracle/oradata/anny/sysaux01.dbf

USERS 4/u01/app/oracle/oradata/anny/user01.dbf

TEST 11/u01/app/oracle/oradata/anny/test02.dbf

TEST 5/u01/app/oracle/oradata/anny/test01.dbf

LX01 6/u01/app/oracle/oradata/anny/lx01.dbf