title: Connect SQLplus in oracle
body: <p>I want to connect user sys in sqlplus of oracle but after I connect, I type like this:</p>
  
  <pre><code>sqlplus sys as sysdba
  password:123456
  </code></pre>
  
  <blockquote>
  <pre><code>Error:
    ORA-01030:insufficient privilege
  
    warning:You are no longer to connect oracle.
  </code></pre>
  </blockquote>
  
  <p>Does anyone help me to solve my problem?</p>