文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# 与 AWS SDK `DeleteDBSubnetGroup` 配合使用
<a name="neptune_example_neptune_DeleteDBSubnetGroup_section"></a>

以下代码示例演示如何使用 `DeleteDBSubnetGroup`。

操作示例是大型程序的代码摘录，必须在上下文中运行。在以下代码示例中，您可以查看此操作的上下文：
+  [了解基本功能](neptune_example_neptune_Scenario_section.md) 

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#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/neptune#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Deletes a subnet group.
     *
     * @param subnetGroupName the identifier of the subnet group to delete
     * @return a {@link CompletableFuture} that completes when the cluster has been deleted
     */
    public CompletableFuture<Void> deleteDBSubnetGroupAsync(String subnetGroupName) {
        DeleteDbSubnetGroupRequest request = DeleteDbSubnetGroupRequest.builder()
                .dbSubnetGroupName(subnetGroupName)
                .build();

        return getAsyncClient().deleteDBSubnetGroup(request)
                .thenAccept(response -> logger.info("🗑️ Deleting Subnet Group: " + subnetGroupName));
    }
```
+  有关 API 的详细信息，请参阅《*AWS SDK for Java 2.x API 参考*》中的 [“删除DBSubnet群组”](https://docs.aws.amazon.com/goto/SdkForJavaV2/neptune-2014-10-31/DeleteDBSubnetGroup)。

------
#### [ Python ]

**适用于 Python 的 SDK（Boto3）**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/neptune#code-examples)中查找完整示例，了解如何进行设置和运行。

```
def delete_db_subnet_group(neptune_client, subnet_group_name):
    """
    Deletes a Neptune DB subnet group synchronously using Boto3.

    Args:
        neptune_client (boto3.client): The Neptune client.
        subnet_group_name (str): The name of the DB subnet group to delete.

    Raises:
        ClientError: If the delete operation fails.
    """
    delete_group_request = {
        'DBSubnetGroupName': subnet_group_name
    }

    try:
        neptune_client.delete_db_subnet_group(**delete_group_request)
        print(f"️ Deleting Subnet Group: {subnet_group_name}")

    except ClientError as err:
        code = err.response["Error"]["Code"]
        message = err.response["Error"]["Message"]

        if code == "DBSubnetGroupNotFoundFault":
            print(f"Subnet group '{subnet_group_name}' not found or already deleted.")
        elif code == "AccessDeniedException":
            print("Access denied. Please ensure you have the necessary permissions.")
        else:
            print(f"Couldn't delete subnet group. {code}: {message}")
        raise
```
+  有关 API 的详细信息，请参阅 *Python AWS SDK 中的[删除DBSubnet群组](https://docs.aws.amazon.com/goto/boto3/neptune-2014-10-31/DeleteDBSubnetGroup) (Boto3) API 参考*。

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