title: Can mysql properly display all characters in utf8?
body: <p>Maximum number of bytes for a UTF-8 in mysql is 3.</p>
  
  <pre><code>show character set like 'utf8';
  +---------+---------------+-------------------+--------+
  | Charset | Description   | Default collation | Maxlen |
  +---------+---------------+-------------------+--------+
  | utf8    | UTF-8 Unicode | utf8_general_ci   |      3 |
  +---------+---------------+-------------------+--------+
  1 row in set (0.00 sec)
  </code></pre>
  
  <p>In the wiki<br>
  <a href="https://en.wikipedia.org/wiki/UTF-8#cite_note-2" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/UTF-8#cite_note-2</a>  </p>
  
  <p>UTF-8 is a character encoding capable of encoding all 1,112,064[1] valid code points in Unicode using one to four 8-bit bytes.</p>
  
  <p>Does it mean that not all characters in utf8 can be displayed properly,or say ,<br>
  some characters encoding with 4 bytes in utf8 can
  not be displayed in mysql properly?<br>
  Can mysql properly display all characters in utf8?</p>