Starting Oracle Database Automatically (Windows)

How to start the Oracle database automatically when the server is restarted?

Using Oracle Administration Assistant for Windows

To automatically start Oracle Database services from Oracle Administration Assistant for Windows:

1. From the Start menu, select All Programs, then select Oracle - HOMENAME, then select Configuration and Migration Tools, and then select Administration Assistant for Windows.
2. Right-click the SID.
   The variable SID is a specific instance name, such as orcl.
   
3. Select Startup/Shutdown Options.
   
4. Select the Oracle NT Service tab.
   
5. Select Automatic in Oracle NT Service Startup Type.
   
6. Click Apply.
   
7. Click OK.