title: Oracle string declare error
body: <p>I haven't used Oracle in quite some time. Simple question here.</p>
  
  <p>I am using the following variable declaration and query:</p>
  
  <pre><code>declare
  new_line := 'LINE_12';
  begin
  select dept from departments where line = new_line;
  </code></pre>
  
  <p>I am getting this error:</p>
  
  <pre><code>ORA-06550: line 2, column 11: PLS-00103: Encountered the symbol "=" 
  when expecting one of the following: constant exception 
  &lt;an identifier&gt; &lt;a double-quoted delimited-identifier&gt; 
  table long double ref char time timestamp interval date 
  binary national character nchar The symbol "&lt;an identifier&gt;" 
  was substituted for "=" to continue. 
  </code></pre>