title: Cannot find module `mysql`
body: <p>I am new to node.js and trying to learn it.
  <br>
  Here, I am trying to access mySQL database in nodejs.
  <br>
  I have install module for this using <code>npm install mysql</code> but I am not getting any folder for mysql in <code>node_modules</code> folder.<br>
  but I am not getting any error while installing mysql module from terminal.
  because of this issue I am not able to use mysql module in program and I am getting error as </p>
  
  <pre><code>module.js:340
      throw err;
            ^
  Error: Cannot find module 'mysql'
      at Function.Module._resolveFilename (module.js:338:15)
      at Function.Module._load (module.js:280:25)
      at Module.require (module.js:364:17)
      at require (module.js:380:17)
      at Object.&lt;anonymous&gt; (/opt/lampp/htdocs/1nodeapp/mysql.js:4:12)
      at Module._compile (module.js:456:26)
      at Object.Module._extensions..js (module.js:474:10)
      at Module.load (module.js:356:32)
      at Function.Module._load (module.js:312:12)
      at Function.Module.runMain (module.js:497:10)
  </code></pre>