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MySQL 8.0 Reference Manual  /  ...  /  Integer Types (Exact Value) - INTEGER, INT, SMALLINT, TINYINT, MEDIUMINT, BIGINT

11.2.1 Integer Types (Exact Value) - INTEGER, INT, SMALLINT, TINYINT, MEDIUMINT, BIGINT

MySQL supports the SQL standard integer types INTEGER (or INT) and SMALLINT. As an extension to the standard, MySQL also supports the integer types TINYINT, MEDIUMINT, and BIGINT. The following table shows the required storage and range for each integer type.

Table 11.1 Required Storage and Range for Integer Types Supported by MySQL

Type Storage (Bytes) Minimum Value Signed Minimum Value Unsigned Maximum Value Signed Maximum Value Unsigned
TINYINT 1 -128 0 127 255
SMALLINT 2 -32768 0 32767 65535
MEDIUMINT 3 -8388608 0 8388607 16777215
INT 4 -2147483648 0 2147483647 4294967295
BIGINT 8 -263 0 263-1 264-1