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# UInt8,UInt16,UInt32,UInt64,Int8,Int16,Int32,Int64 {#uint8-uint16-uint32-uint64-int8-int16-int32-int64}
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---
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toc_priority: 40
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toc_title: UInt8, UInt16, UInt32, UInt64, UInt128, UInt256, Int8, Int16, Int32, Int64, Int128, Int256
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---
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# UInt8, UInt16, UInt32, UInt64, UInt128, UInt256, Int8, Int16, Int32, Int64, Int128, Int256
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固定长度的整型,包括有符号整型或无符号整型。
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创建表时,可以为整数设置类型参数 (例如. `TINYINT(8)`, `SMALLINT(16)`, `INT(32)`, `BIGINT(64)`), 但 ClickHouse 会忽略它们.
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## 整型范围 {#int-ranges}
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- Int8-\[-128:127\]
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- Int16-\[-32768:32767\]
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- Int32-\[-2147483648:2147483647\]
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- Int64-\[-9223372036854775808:9223372036854775807\]
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- `Int8` — \[-128 : 127\]
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- `Int16` — \[-32768 : 32767\]
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- `Int32` — \[-2147483648 : 2147483647\]
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- `Int64` — \[-9223372036854775808 : 9223372036854775807\]
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- `Int128` — \[-170141183460469231731687303715884105728 : 170141183460469231731687303715884105727\]
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- `Int256` — \[-57896044618658097711785492504343953926634992332820282019728792003956564819968 : 57896044618658097711785492504343953926634992332820282019728792003956564819967\]
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别名:
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- `Int8` — `TINYINT`, `BOOL`, `BOOLEAN`, `INT1`.
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- `Int16` — `SMALLINT`, `INT2`.
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- `Int32` — `INT`, `INT4`, `INTEGER`.
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- `Int64` — `BIGINT`.
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## 无符号整型范围 {#uint-ranges}
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- UInt8-\[0:255\]
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- UInt16-\[0:65535\]
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- UInt32-\[0:4294967295\]
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- UInt64-\[0:18446744073709551615\]
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- `UInt8` — \[0 : 255\]
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- `UInt16` — \[0 : 65535\]
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- `UInt32` — \[0 : 4294967295\]
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- `UInt64` — \[0 : 18446744073709551615\]
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- `UInt128` — \[0 : 340282366920938463463374607431768211455\]
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- `UInt256` — \[0 : 115792089237316195423570985008687907853269984665640564039457584007913129639935\]
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[源文档](https://clickhouse.com/docs/en/data_types/int_uint/) <!--hide-->
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