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Update TAOS SQL-ch.md

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haojun Liao 2019-11-01 16:29:59 +08:00 committed by GitHub
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@ -25,7 +25,7 @@ TDengine缺省的时间戳是毫秒精度，但通过修改配置参数enableMic
| | 类型 | Bytes | 说明 | | | 类型 | Bytes | 说明 |
| ---- | :-------: | ------ | ------------------------------------------------------------ | | ---- | :-------: | ------ | ------------------------------------------------------------ |
| 1 | TIMESTAMP | 8 | 时间戳。最小精度毫秒。从格林威治时间1970-01-01 08:00:00.000开始，计时不能早于该时间。 | | 1 | TIMESTAMP | 8 | 时间戳。最小精度毫秒。从格林威治时间 1970-01-01 00:00:00.000 (UTC/GMT) 开始，计时不能早于该时间。 |
| 2 | INT | 4 | 整型，范围 [-2^31+1, 2^31-1], -2^31被用作Null值 | | 2 | INT | 4 | 整型，范围 [-2^31+1, 2^31-1], -2^31被用作Null值 |
| 3 | BIGINT | 8 | 长整型，范围 [-2^59, 2^59] | | 3 | BIGINT | 8 | 长整型，范围 [-2^59, 2^59] |
| 4 | FLOAT | 4 | 浮点型，有效位数6-7，范围 [-3.4E38, 3.4E38] | | 4 | FLOAT | 4 | 浮点型，有效位数6-7，范围 [-3.4E38, 3.4E38] |