Syntax
------ 
TINYTEXT [CHARACTER SET charset_name] [COLLATE
collation_name]
 
Description
----------- 
A TEXT column with a maximum length of 255 (28 - 1)
characters. The effective maximum length is less if the
value contains multi-byte characters. Each TINYTEXT value is
stored using a one-byte length prefix that indicates the
number of bytes in the value.
 


URL: https://mariadb.com/kb/en/tinytext/