public void createDatabase(RdsClient rdsClient) {
        RdsCreateDatabaseRequest request = new RdsCreateDatabaseRequest();
        request.setInstanceId("rds-eI0QnwMi");
        // 数据库名称
        request.setDbName("sdk_created_db");
        // 支持字符集
        request.setCharacterSetName(RdsCharacterSet.UTF8);
        // 账户权限,选填
        // accountName:数据库名称
        // authType:授权类型。ReadOnly：只读，ReadWrite：读写
        AbstractBceResponse response = rdsClient.createDatabase(request);
        print("createDatabase", response);
    }

public void deleteDatabase(RdsClient rdsClient) {
        RdsDeleteDatabaseRequest request = new RdsDeleteDatabaseRequest();
        request.setInstanceId("rds-eI0QnwMi");
        request.setDbName("sdk_created_db");
        AbstractBceResponse response = rdsClient.deleteDatabase(request);
        print("deleteDatabase", response);
    }