title: Store Subscript and superscript Values in MySQL
body: <p>I have an Excel file which has superscript and Subscript values of chemical formula etc. </p>
  
  <p>In Mysql I set collation to <code>utf8mb4_unicode_ci</code> but still its not saving with super/sub scripts.</p>
  
  <p>Please help me (Example: C-1 m<sup>2</sup> N-2)</p>