# UInt8, UInt16, UInt32, UInt64, Int8, Int16, Int32, Int64 固定长度的整型，包括有符号整型或无符号整型。 ## 整型范围 - Int8 - [-128 : 127] - Int16 - [-32768 : 32767] - Int32 - [-2147483648 : 2147483647] - Int64 - [-9223372036854775808 : 9223372036854775807] ## 无符号整型范围 - UInt8 - [0 : 255] - UInt16 - [0 : 65535] - UInt32 - [0 : 4294967295] - UInt64 - [0 : 18446744073709551615] [来源文章](https://clickhouse.yandex/docs/en/data_types/int_uint/)