Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.

src/UserGuide/Master/Table/API/Programming-CSharp-Native-API_apache.md

@@ -41,6 +41,7 @@ If using .NET 5.0 or a later version of the SDK, enter the following command to
 ```Plain
 dotnet add package Apache.IoTDB
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read/Write Operations
 

src/UserGuide/Master/Table/API/Programming-CSharp-Native-API_timecho.md

@@ -41,6 +41,7 @@ If using .NET 5.0 or a later version of the SDK, enter the following command to
 ```Plain
 dotnet add package Apache.IoTDB
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read/Write Operations
 

src/UserGuide/Master/Table/API/Programming-Cpp-Native-API_apache.md

@@ -96,10 +96,11 @@ Clone the source code from git:
 git clone https://github.com/apache/iotdb.git
 ```
 
-The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 1.3.2):
+The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 2.0.6):
 ```shell
-git checkout rc/1.3.2
+git checkout rc/2.0.6
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 Run Maven to compile in the IoTDB root directory:
 

src/UserGuide/Master/Table/API/Programming-Cpp-Native-API_timecho.md

@@ -96,10 +96,11 @@ Clone the source code from git:
 git clone https://github.com/apache/iotdb.git
 ```
 
-The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 1.3.2):
+The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 2.0.6):
 ```shell
-git checkout rc/1.3.2
+git checkout rc/2.0.6
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 Run Maven to compile in the IoTDB root directory:
 

src/UserGuide/Master/Table/API/Programming-Go-Native-API_apache.md

@@ -62,6 +62,7 @@ cd $GOPATH/src/iotdb-client-go-example/session_example
 curl -o session_example.go -L https://github.com/apache/iotdb-client-go/raw/main/example/session_example.go
 go run session_example.go
 ```
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. ITableSession Interface
 ### 2.1 Description

src/UserGuide/Master/Table/API/Programming-Go-Native-API_timecho.md

@@ -62,6 +62,7 @@ cd $GOPATH/src/iotdb-client-go-example/session_example
 curl -o session_example.go -L https://github.com/apache/iotdb-client-go/raw/main/example/session_example.go
 go run session_example.go
 ```
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. ITableSession Interface
 ### 2.1 Description

src/UserGuide/Master/Table/API/Programming-JDBC_apache.md

@@ -44,6 +44,7 @@ Add the following dependency to your Maven `pom.xml` file:
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 
@@ -66,13 +67,13 @@ Add the following dependency to your Maven `pom.xml` file:
 
 ## 3. Sample Code
 
-**Note:** When using the Table Model, you must specify the `sql_dialect` parameter as `table` in the URL. Example:
+**Note:** When using the Table Mode, you must specify the `sql_dialect` parameter as `table` in the URL. Example:
 
 ```Java
 String url = "jdbc:iotdb://127.0.0.1:6667?sql_dialect=table";
 ```
 
-You can find the full example code at [GitHub Repository](https://github.com/apache/iotdb/blob/master/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java).
+You can find the full example code at [GitHub Repository](https://github.com/apache/iotdb/blob/rc/2.0.1/example/jdbc/src/main/java/org/apache/iotdb/TableModelJDBCExample.java).
 
 Here is an excerpt of the sample code:
 
@@ -133,7 +134,7 @@ public class TableModelJDBCExample {
           "create table test1.table1(region_id STRING TAG, plant_id STRING TAG, device_id STRING TAG, model STRING ATTRIBUTE, temperature FLOAT FIELD, humidity DOUBLE FIELD) with (TTL=3600000)");
 
       statement.execute(
-          "create table table2(region_id STRING TAG, plant_id STRING TAG, color STRING ATTRIBUTE, temperature FLOAT FIELD, speed DOUBLE FIELD) with (TTL=6600000)");
+          "create table table2(region_id STRING ID, plant_id STRING ID, color STRING ATTRIBUTE, temperature FLOAT MEASUREMENT, speed DOUBLE MEASUREMENT) with (TTL=6600000)");
 
       // show tables from current database
       try (ResultSet resultSet = statement.executeQuery("SHOW TABLES")) {

src/UserGuide/Master/Table/API/Programming-JDBC_timecho.md

@@ -44,6 +44,7 @@ Add the following dependency to your Maven `pom.xml` file:
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 
@@ -66,7 +67,7 @@ Add the following dependency to your Maven `pom.xml` file:
 
 ## 3. Sample Code
 
-**Note:** When using the Table Model, you must specify the `sql_dialect` parameter as `table` in the URL. Example:
+**Note:** When using the Table Mode, you must specify the `sql_dialect` parameter as `table` in the URL. Example:
 
 ```Java
 String url = "jdbc:iotdb://127.0.0.1:6667?sql_dialect=table";

src/UserGuide/Master/Table/API/Programming-Java-Native-API_apache.md

@@ -44,6 +44,7 @@ IoTDB provides a Java native client driver and a session pool management mechani
 </dependencies>
 ```
 * The latest version of `iotdb-session` can be viewed [here](https://repo1.maven.org/maven2/org/apache/iotdb/iotdb-session/)
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read and Write Operations
 

src/UserGuide/Master/Table/API/Programming-Java-Native-API_timecho.md

@@ -44,6 +44,7 @@ IoTDB provides a Java native client driver and a session pool management mechani
 </dependencies>
 ```
 * The latest version of `iotdb-session` can be viewed [here](https://repo1.maven.org/maven2/com/timecho/iotdb/iotdb-session/)
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read and Write Operations
 

src/UserGuide/Master/Table/API/Programming-Python-Native-API_apache.md

@@ -29,6 +29,7 @@ To use the IoTDB Python API, install the required package using pip:
 ```shell
 pip3 install apache-iotdb>=2.0
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 

src/UserGuide/Master/Table/API/Programming-Python-Native-API_timecho.md

@@ -29,6 +29,7 @@ To use the IoTDB Python API, install the required package using pip:
 ```shell
 pip3 install apache-iotdb>=2.0
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 

src/UserGuide/Master/Tree/API/Programming-CSharp-Native-API.md

@@ -48,6 +48,7 @@ To install an older version, specify the version explicitly
 # Install v0.12.1.2
 dotnet add package Apache.IoTDB --version 0.12.1.2
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Quick Start
 

src/UserGuide/Master/Tree/API/Programming-Cpp-Native-API.md

@@ -96,10 +96,11 @@ Clone the source code from git:
 git clone https://github.com/apache/iotdb.git
 ```
 
-The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 1.3.2):
+The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 2.0.6):
 ```shell
-git checkout rc/1.3.2
+git checkout rc/2.0.6
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 Run Maven to compile in the IoTDB root directory:
 

src/UserGuide/Master/Tree/API/Programming-Data-Subscription_apache.md

@@ -50,6 +50,7 @@ Create a Maven project and import the following dependencies（JDK >= 1.8, Maven
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ### 2.2 Code Example
 

src/UserGuide/Master/Tree/API/Programming-Data-Subscription_timecho.md

@@ -50,6 +50,7 @@ Create a Maven project and import the following dependencies（JDK >= 1.8, Maven
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ### 2.2 Code Example
 

src/UserGuide/Master/Tree/API/Programming-Go-Native-API.md

@@ -86,6 +86,8 @@ This article focuses on the usage of `SessionPool`, covering the complete proces
   # Compile and run the program
   go run session_example.go
   ```
+
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Core Steps
 

src/UserGuide/Master/Tree/API/Programming-JDBC_apache.md

@@ -44,10 +44,11 @@ mvn clean install -pl iotdb-client/jdbc -am -DskipTests
     <dependency>
       <groupId>org.apache.iotdb</groupId>
       <artifactId>iotdb-jdbc</artifactId>
-      <version>1.3.1</version>
+        <version>${project.version}</version>
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 4. Coding Examples
 

src/UserGuide/Master/Tree/API/Programming-JDBC_timecho.md

@@ -44,10 +44,11 @@ mvn clean install -pl iotdb-client/jdbc -am -DskipTests
     <dependency>
       <groupId>org.apache.iotdb</groupId>
       <artifactId>iotdb-jdbc</artifactId>
-      <version>1.3.1</version>
+        <version>${project.version}</version>
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 4. Coding Examples
 

src/UserGuide/Master/Tree/API/Programming-Java-Native-API_apache.md

@@ -48,6 +48,7 @@ Create a Maven project and add the following dependencies to the pom.xml file (J
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ### 2.2 Creating a Connection Pool Instance
 

src/UserGuide/Master/Tree/API/Programming-Java-Native-API_timecho.md

@@ -48,6 +48,7 @@ Create a Maven project and add the following dependencies to the pom.xml file (J
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ### 2.2 Creating a Connection Pool Instance
 

src/UserGuide/Master/Tree/API/Programming-Python-Native-API_apache.md

@@ -31,6 +31,8 @@ You have to install thrift (>=0.13) before using the package.
 
 First, download the package: `pip3 install apache-iotdb>=2.0`
 
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
+
 You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
 
 An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)

src/UserGuide/Master/Tree/API/Programming-Python-Native-API_timecho.md

@@ -31,6 +31,8 @@ You have to install thrift (>=0.13) before using the package.
 
 First, download the package: `pip3 install apache-iotdb>=2.0`
 
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
+
 You can get an example of using the package to read and write data at here:[Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_example.py)
 
 An example of aligned timeseries: [Aligned Timeseries Session Example](https://github.com/apache/iotdb/blob/rc/2.0.1/iotdb-client/client-py/session_aligned_timeseries_example.py)

src/UserGuide/latest-Table/API/Programming-CSharp-Native-API_apache.md

@@ -41,6 +41,7 @@ If using .NET 5.0 or a later version of the SDK, enter the following command to
 ```Plain
 dotnet add package Apache.IoTDB
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read/Write Operations
 

src/UserGuide/latest-Table/API/Programming-CSharp-Native-API_timecho.md

@@ -41,6 +41,7 @@ If using .NET 5.0 or a later version of the SDK, enter the following command to
 ```Plain
 dotnet add package Apache.IoTDB
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read/Write Operations
 

src/UserGuide/latest-Table/API/Programming-Cpp-Native-API_apache.md

@@ -96,10 +96,11 @@ Clone the source code from git:
 git clone https://github.com/apache/iotdb.git
 ```
 
-The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 1.3.2):
+The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 2.0.6):
 ```shell
-git checkout rc/1.3.2
+git checkout rc/2.0.6
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 Run Maven to compile in the IoTDB root directory:
 

src/UserGuide/latest-Table/API/Programming-Cpp-Native-API_timecho.md

@@ -96,10 +96,11 @@ Clone the source code from git:
 git clone https://github.com/apache/iotdb.git
 ```
 
-The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 1.3.2):
+The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 2.0.6):
 ```shell
-git checkout rc/1.3.2
+git checkout rc/2.0.6
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 Run Maven to compile in the IoTDB root directory:
 

src/UserGuide/latest-Table/API/Programming-Go-Native-API_apache.md

@@ -62,6 +62,7 @@ cd $GOPATH/src/iotdb-client-go-example/session_example
 curl -o session_example.go -L https://github.com/apache/iotdb-client-go/raw/main/example/session_example.go
 go run session_example.go
 ```
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. ITableSession Interface
 ### 2.1 Description

src/UserGuide/latest-Table/API/Programming-Go-Native-API_timecho.md

@@ -62,6 +62,7 @@ cd $GOPATH/src/iotdb-client-go-example/session_example
 curl -o session_example.go -L https://github.com/apache/iotdb-client-go/raw/main/example/session_example.go
 go run session_example.go
 ```
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. ITableSession Interface
 ### 2.1 Description

src/UserGuide/latest-Table/API/Programming-JDBC_apache.md

@@ -44,6 +44,7 @@ Add the following dependency to your Maven `pom.xml` file:
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 

src/UserGuide/latest-Table/API/Programming-JDBC_timecho.md

@@ -44,6 +44,7 @@ Add the following dependency to your Maven `pom.xml` file:
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 

src/UserGuide/latest-Table/API/Programming-Java-Native-API_apache.md

@@ -44,6 +44,7 @@ IoTDB provides a Java native client driver and a session pool management mechani
 </dependencies>
 ```
 * The latest version of `iotdb-session` can be viewed [here](https://repo1.maven.org/maven2/org/apache/iotdb/iotdb-session/)
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read and Write Operations
 

src/UserGuide/latest-Table/API/Programming-Java-Native-API_timecho.md

@@ -44,6 +44,7 @@ IoTDB provides a Java native client driver and a session pool management mechani
 </dependencies>
 ```
 * The latest version of `iotdb-session` can be viewed [here](https://repo1.maven.org/maven2/com/timecho/iotdb/iotdb-session/)
+* Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Read and Write Operations
 

src/UserGuide/latest-Table/API/Programming-Python-Native-API_apache.md

@@ -29,6 +29,7 @@ To use the IoTDB Python API, install the required package using pip:
 ```shell
 pip3 install apache-iotdb>=2.0
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 

src/UserGuide/latest-Table/API/Programming-Python-Native-API_timecho.md

@@ -29,6 +29,7 @@ To use the IoTDB Python API, install the required package using pip:
 ```shell
 pip3 install apache-iotdb>=2.0
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 2. Read and Write Operations
 

src/UserGuide/latest/API/Programming-CSharp-Native-API.md

@@ -48,6 +48,7 @@ To install an older version, specify the version explicitly
 # Install v0.12.1.2
 dotnet add package Apache.IoTDB --version 0.12.1.2
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ## 3. Quick Start
 

src/UserGuide/latest/API/Programming-Cpp-Native-API.md

@@ -96,10 +96,11 @@ Clone the source code from git:
 git clone https://github.com/apache/iotdb.git
 ```
 
-The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 1.3.2):
+The default main branch is the master branch. If you want to use a specific release version, switch to that branch (e.g., version 2.0.6):
 ```shell
-git checkout rc/1.3.2
+git checkout rc/2.0.6
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 Run Maven to compile in the IoTDB root directory:
 

src/UserGuide/latest/API/Programming-Data-Subscription_apache.md

@@ -50,6 +50,7 @@ Create a Maven project and import the following dependencies（JDK >= 1.8, Maven
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ### 2.2 Code Example
 

src/UserGuide/latest/API/Programming-Data-Subscription_timecho.md

@@ -50,6 +50,7 @@ Create a Maven project and import the following dependencies（JDK >= 1.8, Maven
     </dependency>
 </dependencies>
 ```
+Note: Do not use a newer client to connect to an older server, as this may cause connection failures or unexpected errors.
 
 ### 2.2 Code Example