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[FLINK-16082][docs-zh][table] Translate "Streaming Concepts Overview"…
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… page into Chinese (apache#11128)
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libenchao authored Feb 22, 2020
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---
title: "Streaming Concepts"
title: "流式概念"
nav-id: streaming_tableapi
nav-parent_id: tableapi
nav-pos: 10
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under the License.
-->

Flink's [Table API]({{ site.baseurl }}/dev/table/tableApi.html) and [SQL support]({{ site.baseurl }}/dev/table/sql/index.html) are unified APIs for batch and stream processing.
This means that Table API and SQL queries have the same semantics regardless whether their input is bounded batch input or unbounded stream input.
Because the relational algebra and SQL were originally designed for batch processing,
relational queries on unbounded streaming input are not as well understood as relational queries on bounded batch input.
Flink[Table API]({{ site.baseurl }}/zh/dev/table/tableApi.html) [SQL]({{ site.baseurl }}/zh/dev/table/sql/index.html) 是流批统一的 API。
这意味着 Table API & SQL 在无论有限的批式输入还是无限的流式输入下,都具有相同的语义。
因为传统的关系代数以及 SQL 最开始都是为了批式处理而设计的,
关系型查询在流式场景下不如在批式场景下容易懂。

The following pages explain concepts, practical limitations, and stream-specific configuration parameters of Flink's relational APIs on streaming data.
下面这些页面包含了概念、实际的限制,以及流式数据处理中的一些特定的配置。

Where to go next?
接下来?
-----------------

* [Dynamic Tables]({{ site.baseurl }}/dev/table/streaming/dynamic_tables.html): Describes the concept of dynamic tables.
* [Time attributes]({{ site.baseurl }}/dev/table/streaming/time_attributes.html): Explains time attributes and how time attributes are handled in Table API & SQL.
* [Joins in Continuous Queries]({{ site.baseurl }}/dev/table/streaming/joins.html): Different supported types of Joins in Continuous Queries.
* [Temporal Tables]({{ site.baseurl }}/dev/table/streaming/temporal_tables.html): Describes the Temporal Table concept.
* [Query configuration]({{ site.baseurl }}/dev/table/streaming/query_configuration.html): Lists Table API & SQL specific configuration options.
* [动态表]({{ site.baseurl }}/zh/dev/table/streaming/dynamic_tables.html): 描述了动态表的概念。
* [时间属性]({{ site.baseurl }}/zh/dev/table/streaming/time_attributes.html): 解释了时间属性以及它是如何在 Table API & SQL 中使用的。
* [流上的 Join]({{ site.baseurl }}/zh/dev/table/streaming/joins.html): 支持的几种流上的 Join。
* [时态(temporal)表]({{ site.baseurl }}/zh/dev/table/streaming/temporal_tables.html): 描述了时态表的概念。
* [查询配置]({{ site.baseurl }}/zh/dev/table/streaming/query_configuration.html): Table API & SQL 特定的配置。

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