int, bigint, smallint, and tinyint

int vs bigint vs smallint vs tinyint

Exact number data types that use integer data.

difference between

bigint

Integer (whole number) data from -2^63 (-9223372036854775808) through 2^63-1 (9223372036854775807). Storage size is 8 bytes.

int

Integer (whole number) data from -2^31 (-2,147,483,648) through 2^31 - 1 (2,147,483,647). Storage size is 4 bytes. The SQL-92 synonym for int is integer.

smallint

Integer data from -2^15 (-32,768) through 2^15 - 1 (32,767). Storage size is 2 bytes.

tinyint

Integer data from 0 through 255. Storage size is 1 byte.