text: /* mysql
  
  unquoted identifier
  	alphanumeric _ $
  	can start with digit (source of ambiguity, has its issues)
  	not all digits
  
  quoted identifier with `backtick`
  	any character except a byte with value 0 or 255
  	useful when identifier
  		is an SQL reserved word
  		contains spaces
  		contains special chars
  */