MYSQL TEXT field types lengths

In MYSQL there are four type of TEXT fields which are :
TINYTEXT, TEXT, MEDIUMTEXT and LONGTEXT ,
The lengths of these types are :

Code:

TINYTEXT    256 bytes    
TEXT    65,535 bytes    equals 64kb
MEDIUMTEXT     16,777,215 bytes    equals 16MB
LONGTEXT    4,294,967,295 bytes    equals 4GB

The maximum size of single row in MYSQL is 65,535 bytes, all records must follow the same limit, but fields of type TEXT are stored outside the table storage and associated to the table. Type TEXT is the most frequently used type.