title: MySql: Tinyint (2) vs tinyint(1) - what is the difference?
body: <p>I knew boolean in mysql as <code>tinyint (1)</code>.</p>
  
  <p>Today I see a table with defined an integer like <code>tinyint(2)</code>, and also others like <code>int(4)</code>, <code>int(6)</code> ... </p>
  
  <p>What does the size means in field of type integer and tinyint ?</p>