Oracle 11g XE Installation
Overview
Oracle's eXpress Edition database is free to develop, test and deploy. Below is the essential information to get it up and running.
Links
- Download
 - XE Version limitations.
 - Support forum.
 
Installation
Tested on Windows 2008 64-bit R2.
0. Run setup.exe
1. Welcome
      [Next]
2. License Agreement
      (x) Accept
      [Next]
3. Destination Folder
      C:\app\oraclexe
4. Password
      Enter   Password: ********
      Confirm Password: ********
5. Summary
   a. With the Windows Snippet Tool take snapshot of the 
      displayed settings for future reference.
   b. [Install]   
   [Finish]
64 Bit OS Issue
If installing on a 64-bit system you may get an error similar to: 
C:\Users\...\KEY_XE.reg
To fix:
- Open the corresponding Windows Explorer folder. 
Example: C:\Users\admini~1\AppData\Local\Temp\2\
{60712028-B7B0-4EC3-9C28-663111EC954A} - Copy the file OracleMTSRecoveryService.reg to KEY_XE.reg
 - Return to the Oracle Installer and click OK on the error message box. 
The installer will continue to run then indicate it is complete. 
Post Install Actions
- Set environment vars (ORACLE_HOME, ORACLE_SID).
 - Create SQLPlus shortcut: 
C:\oraclexe\app\oracle\product\11.2.0.server\bin\sqlplus sys/Password@XE as sysdba - Confirm Installation OK.
- Ensure services started: OracleServiceXE & OracleXETNSListener
 - Run SQLPlus and ensure connection and database OK.