309f3360_ating_Databases_and_Components__Column_Attributes_and_Options_MySQL_Keyword
[Meaning] Integers are stored without a sign. Warning: calculations are then also made without a sign. [MySQL Keyword] 
UNSIGNED
N U L L
N O T N U L L
D E F A U L T x x x
P R I M A R Y K E Y
A U T O _ I N C R E M E N T
U N S I G N E D
C H A R A C T E R S E T n a m e [ C O L L A T E s o r t ]
Creating Databases and Components
MySQL Keyword