Ora-01033:oracle initialization or shutdown in progress

Refer to Article http://www.cnblogs.com/wangsaiming/p/3688141.html

Microsoft Windows XP [version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\administrator>sqlplus/nolog

Sql*plus:release 9.2.0.1.0-production on Monday May 4 10:29:31 2015

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

Sql> connect Sys/change_on_install as SYSDBA;
is connected.
sql> shutdown normal;
ORA-01109: Database is not open

The database has been uninstalled.
The ORACLE routine has been closed.
sql> startup Mount;
The ORACLE routine has been started.

Total System Global area 126950220 bytes
Fixed Size 453452 bytes
Variable Size 109051904 bytes
Database buffers 16777216 bytes
Redo buffers 667648 bytes
The database is loaded.
sql> ALTER DATABASE open;
ALTER DATABASE Open
*
ERROR on line 1th:
ORA-01113: File 11 requires media recovery
ORA-01110: Data File One by one: ' F:\ORACLE\ADMIN\ZY. DBF '

Sql> ALTER DATABASE datafile one offline drop;

The database has changed.

sql> ALTER DATABASE open;

The database has changed.

sql> shutdown normal;
The database is closed.
The database has been uninstalled.
The ORACLE routine has been closed.
sql> startup Mount;
The ORACLE routine has been started.

Total System Global area 126950220 bytes
Fixed Size 453452 bytes
Variable Size 109051904 bytes
Database buffers 16777216 bytes
Redo buffers 667648 bytes
The database is loaded.
sql> ALTER DATABASE open;

The database has changed.

Sql>

Ora-01033:oracle initialization or shutdown in progress