title: Oracle Issue with Environment Variable 'ORACLE_UNQNAME'
body: <p>I'm trying to install Oracle 11gR2 Entreprise Edition but during database creation, I got this Error : </p>
  
  <pre><code>Environment Variable ORACLE_UNQNAME not defined
  </code></pre>
  
  <p>And when I tried to lunch 'emctl.bat' From cmd  I got this one :</p>
  
  <pre><code>Please set ORACLE_UNQNAME to database unique name.
  </code></pre>
  
  <p>And to slove this error, I have used this commande : </p>
  
  <pre><code>set ORACLE_UNQNAME=orcl
  </code></pre>
  
  <p>To define my Enivronment variable (orcl is the database name) I got this error for the 'emctl' command:</p>
  
  <pre><code>EM Configuration issue. D:\app\product\11.2.0\dbhome_1/Chlebta-PC_orcl not found
  </code></pre>
  
  <p>So any Help For sloving this issue ?</p>