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[hotfix][docs-zh] Delete redundant English content in Chinese documents.
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liuzhuang2017 authored and MartijnVisser committed May 6, 2022
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@@ -233,9 +233,6 @@ val windowedTable = tEnv

事件时间属性可以用 WATERMARK 语句在 CREATE TABLE DDL 中进行定义。WATERMARK 语句在一个已有字段上定义一个 watermark 生成表达式,同时标记这个已有字段为时间属性字段。更多信息可以参考:[CREATE TABLE DDL]({{< ref "docs/dev/table/sql/create" >}}#create-table)

Flink supports defining event time attribute on TIMESTAMP column and TIMESTAMP_LTZ column.
If the data source contains timestamp literal, it's recommended to defining event time attribute on TIMESTAMP column:

Flink 支持和在 TIMESTAMP 列和 TIMESTAMP_LTZ 列上定义事件时间。如果源数据中的时间戳数据表示为年-月-日-时-分-秒,则通常为不带时区信息的字符串值,例如 `2020-04-15 20:13:40.564`,建议将事件时间属性定义在 `TIMESTAMP` 列上:
```sql

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