and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start If the connection is successful, the console will output the version of the TiDB cluster as dotenv �→ ) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save Step

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start If the connection is successful, the console will output the version of the TiDB cluster as dotenv �→ ) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save Step

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start 205 If the connection is successful, the console will output the version of the TiDB cluster dotenv �→ ) for the sample app: npm install 209 Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start If the connection is successful, the console will output the version of the TiDB cluster as dotenv �→ ) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save Step

2 步：安装依赖 运行以下命令，安装示例代码所需要的依赖 (包括 mysql2 和 dotenv 依赖包)： npm install 在你现有的项目当中，你可以通过以下命令安装 mysql2 和 dotenv 依赖包（dotenv 用于从 .env 文件中读取环 境变量）： npm install mysql2 dotenv --save 第 3 步：配置连接信息 根据不同的 TiDB 部署方式，使用不同的方法连接到 TIDB_PASSWORD='{password}' TIDB_DATABASE='test' 3. 保存 .env 文件。 第 4 步：运行代码并查看结果 运行下述命令，执行示例代码： npm run start 预期输出结果： 如果连接成功，你的终端将会输出所连接集群的版本信息： � Connected to TiDB cluster! (TiDB version: 5.7.25-TiDB-v7 2 步：安装依赖 运行以下命令，安装示例代码所需要的依赖 (包括 mysql 和 dotenv 依赖包)： npm install 在你现有的项目当中，你可以通过以下命令安装 mysql 和 dotenv 依赖包（dotenv 用于从 .env 文件中读取环 境变量）： npm install mysql dotenv --save 第 3 步：配置连接信息 根据不同的 TiDB 部署方式，使用不同的方法连接到

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start If the connection is successful, the console will output the version of the TiDB cluster as dotenv �→ ) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save Step

步：安装依赖 运行以下命令，安装示例代码所需要的依赖 (包括 mysql2 和 dotenv 依赖包)： npm install 在你现有的项目当中，你可以通过以下命令安装 mysql2 和 dotenv 依赖包（dotenv 用于从 .env 文件中读取环 境变量）： 163 npm install mysql2 dotenv --save 第 3 步：配置连接信息 根据不同的 TiDB TIDB_PASSWORD='{password}' TIDB_DATABASE='test' 3. 保存 .env 文件。 第 4 步：运行代码并查看结果 运行下述命令，执行示例代码： npm run start 预期输出结果： 如果连接成功，你的终端将会输出所连接集群的版本信息： 165 � Connected to TiDB cluster! (TiDB version: 5 2 步：安装依赖 运行以下命令，安装示例代码所需要的依赖 (包括 mysql 和 dotenv 依赖包)： npm install 在你现有的项目当中，你可以通过以下命令安装 mysql 和 dotenv 依赖包（dotenv 用于从 .env 文件中读取环 境变量）： npm install mysql dotenv --save 第 3 步：配置连接信息 根据不同的 TiDB 部署方式，使用不同的方法连接到

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start If the connection is successful, the console will output the version of the TiDB cluster as dotenv �→ ) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save Step

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start 227 If the connection is successful, the console will output the version of the TiDB cluster dotenv �→ ) for the sample app: npm install 231 Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save

and dotenv) for the sample app: npm install Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql2 dotenv --save Step Step 4: Run the code and check the result Run the following command to execute the sample code: npm start 197 If the connection is successful, the console will output the version of the TiDB cluster dotenv �→ ) for the sample app: npm install 201 Install dependencies to existing project For your existing project, run the following command to install the packages: npm install mysql dotenv --save