title: Amazing SQL Error 1024 when create database in Mariadb
body: <p>when execute <code>create database if not exists 7e7 ;</code></p>
  
  <p>get error:</p>
  
  <blockquote>
    <p>" SQL Error [1064] [42000]: (conn:67) You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '7e7' at line 1
    Query is : create database if not exists 7e7 "</p>
  </blockquote>
  
  <p>but execute <code>create database if not exists 7b7 ;</code>, its ok.</p>
  
  <p><strong>why?</strong></p>
  
  <blockquote>
    <p>docker container, mariadb:10.2</p>
    
    <p>version   10.2.19-MariaDB-1:10.2.19+maria~bionic</p>
  </blockquote>