Syntax
------ 
MEDIUMTEXT [CHARACTER SET charset_name] [COLLATE
collation_name]
 
Description
----------- 
A TEXT column with a 
maximum length of 16,777,215 (224 - 1)
characters. The effective maximum length is less if the
value
contains multi-byte characters. Each MEDIUMTEXT value is
stored using
a three-byte length prefix that indicates the number of
bytes in the
value.
 


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