[iotdb] branch master updated: [docfix] for data updates to add a sentence explaining its SQL clause (#7590)

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haonan pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 915a1eee80 [docfix] for data updates to add a sentence explaining its SQL clause (#7590)
915a1eee80 is described below

commit 915a1eee80209cd7eebf28e389174ca9849a63f5
Author: wanghui42 <10...@users.noreply.github.com>
AuthorDate: Thu Oct 13 22:46:01 2022 +0800

    [docfix] for data updates to add a sentence explaining its SQL clause (#7590)
---
 docs/UserGuide/Write-Data/Write-Data.md    | 4 +++-
 docs/zh/UserGuide/Write-Data/Write-Data.md | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/UserGuide/Write-Data/Write-Data.md b/docs/UserGuide/Write-Data/Write-Data.md
index 8bc50f4b72..913414c78e 100644
--- a/docs/UserGuide/Write-Data/Write-Data.md
+++ b/docs/UserGuide/Write-Data/Write-Data.md
@@ -23,7 +23,9 @@
 
 IoTDB provides users with a variety of ways to insert real-time data, such as directly inputting [INSERT SQL statement](../Reference/SQL-Reference.md) in [Client/Shell tools](../QuickStart/Command-Line-Interface.md), or using [Java JDBC](../API/Programming-JDBC.md) to perform single or batch execution of [INSERT SQL statement](../Reference/SQL-Reference.md).
 
-This section mainly introduces the use of [INSERT SQL statement](../Reference/SQL-Reference.md) for real-time data import in the scenario.
+NOTE： This section mainly introduces the use of [INSERT SQL statement](../Reference/SQL-Reference.md) for real-time data import in the scenario.
+
+Writing a repeat timestamp covers the original timestamp data, which can be regarded as updated data.
 
 ## Use of INSERT Statements
 
diff --git a/docs/zh/UserGuide/Write-Data/Write-Data.md b/docs/zh/UserGuide/Write-Data/Write-Data.md
index 7ce19d04f2..683bc00653 100644
--- a/docs/zh/UserGuide/Write-Data/Write-Data.md
+++ b/docs/zh/UserGuide/Write-Data/Write-Data.md
@@ -26,6 +26,8 @@ IoTDB 为用户提供多种插入实时数据的方式，例如在 [Cli/Shell 
 
 本节主要为您介绍实时数据接入的 INSERT 语句在场景中的实际使用示例，有关 INSERT SQL 语句的详细语法请参见本文 [INSERT 语句](../Reference/SQL-Reference.md) 节。
 
+注：写入重复时间戳的数据则原时间戳数据被覆盖，可视为更新数据。
+
 ## 使用 INSERT 语句
 
 使用 INSERT 语句可以向指定的已经创建的一条或多条时间序列中插入数据。对于每一条数据，均由一个时间戳类型的时间戳和一个数值或布尔值、字符串类型的传感器采集值组成。