BIGINT, SERIAL
BIGINT[(width)] [UNSIGNED] [ZEROFILL]This data column type is for integer values of a large size.
The signed range can be from –9,223,372,036,854,775,808 to
9,223,372,036,854,775,807; unsigned can be from 0 to
18,446,744,073,709,551,615. The default if no width is given is 20.
SERIAL is a synonym for this data type, but with
specific column options: BIGINT,
UNSIGNED, NOT NULL,
AUTO_INCREMENT, and
UNIQUE.