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Sign In to the Console
 1. AWS
 2. ...
 3. Documentation
 4. Amazon Relational Database Service (RDS)
 5. User Guide


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Amazon Relational Database Service
User Guide
 * What is Amazon RDS?
    * DB instances
    * DB instance classes
    * DB instance storage
    * Regions, Availability Zones, and Local Zones
    * High availability (Multi-AZ)
    * DB instance billing for Amazon RDS
       * On-Demand DB instances
       * Reserved DB instances

 * Setting up
 * Getting started
    * Creating a MariaDB DB instance and connecting to a database
    * Creating a SQL Server DB instance and connecting to it
    * Creating a MySQL DB instance and connecting to a database
    * Creating an Oracle DB instance and connecting to a database
    * Creating a PostgreSQL DB instance and connecting to a database
    * Tutorial: Create a web server and an Amazon RDS DB instance
       * Create a DB instance
       * Create a web server

 * Tutorials
 * Best practices for Amazon RDS
 * Configuring a DB instance
    * Creating a DB instance
    * Creating resources with AWS CloudFormation
    * Connecting to a DB instance
       * Managing connections with RDS Proxy
   
    * Working with option groups
    * Working with parameter groups

 * Managing a DB instance
    * Stopping a DB instance
    * Starting a DB instance
    * Modifying a DB instance
    * Maintaining a DB instance
    * Upgrading the engine version
    * Renaming a DB instance
    * Rebooting a DB instance
    * Working with read replicas
       * Creating a read replica in a different AWS Region
   
    * Tagging RDS resources
    * Working with ARNs
    * Working with storage
    * Deleting a DB instance

 * Backing up and restoring a DB instance
    * Working with backups
    * Replicating automated backups to another Region
    * Creating a DB snapshot
    * Restoring from a DB snapshot
    * Copying a snapshot
    * Sharing a snapshot
    * Exporting snapshot data to Amazon S3
    * Point-in-time recovery
    * Deleting a snapshot
    * Tutorial: Restore a DB instance from a DB snapshot

 * Monitoring a DB instance
    * Overview of monitoring
    * Viewing key monitoring information
    * Monitoring RDS with CloudWatch
    * Monitoring with Performance Insights
       * Overview
          * DB load
          * Maximum CPU
          * Amazon RDS DB engine support for Performance Insights
          * AWS Region support for Performance Insights
      
       * Enabling and disabling Performance Insights
       * Enabling the Performance Schema for MariaDB or MySQL
       * Performance Insights policies
       * Analyzing metrics with the Performance Insights dashboard
       * Customizing the Performance Insights dashboard
       * Retrieving metrics with the Performance Insights API
       * Metrics published to CloudWatch
       * Logging Performance Insights calls using AWS CloudTrail
   
    * Monitoring OS metrics
       * Overview of Enhanced Monitoring
       * Setting up and enabling Enhanced Monitoring
       * Viewing OS metrics in the RDS console
       * Viewing OS metrics using CloudWatch Logs
   
    * Working with Amazon RDS events
       * Overview of events for Amazon RDS
       * Viewing Amazon RDS events
       * Using Amazon RDS event notification
          * Amazon RDS event categories and event messages
          * Subscribing to Amazon RDS event notification
          * Listing Amazon RDS event notification subscriptions
          * Modifying an Amazon RDS event notification subscription
          * Adding a source identifier to an Amazon RDS event notification
            subscription
          * Removing a source identifier from an Amazon RDS event notification
            subscription
          * Listing the Amazon RDS event notification categories
          * Deleting an Amazon RDS event notification subscription
      
       * Creating a rule that triggers on an Amazon RDS event
   
    * Working with database logs
       * MariaDB database log files
       * Microsoft SQL Server database log files
       * MySQL database log files
          * Overview of MySQL database logs
          * Accessing MySQL error logs
          * Accessing the MySQL slow query and general logs
          * Accessing the MySQL audit log
          * Publishing MySQL logs to Amazon CloudWatch Logs
          * Managing table-based MySQL logs
          * Setting the binary logging format
          * Accessing MySQL binary logs
      
       * Oracle database log files
       * PostgreSQL database log files
   
    * Working with AWS CloudTrail and Amazon RDS
    * Using Database Activity Streams
       * Overview
       * Configuring Oracle unified auditing
       * Starting a database activity stream
       * Getting activity stream status
       * Stopping a database activity stream
       * Monitoring activity streams
       * Managing access to activity streams

 * Working with RDS on AWS Outposts
 * MariaDB on Amazon RDS
    * Connecting to a DB instance running MariaDB
    * Updating applications for new SSL/TLS certificates
    * Upgrading the MariaDB DB engine
    * Working with MariaDB replication
       * Working with MariaDB read replicas
       * Configuring GTID-based replication
   
    * Importing data into a MariaDB DB instance
    * Options for MariaDB
    * Parameters for MariaDB
    * MariaDB on Amazon RDS SQL reference
       * mysql.rds_replica_status
       * mysql.rds_set_external_master_gtid
       * mysql.rds_kill_query_id

 * Microsoft SQL Server on Amazon RDS
    * Licensing SQL Server on Amazon RDS
    * Connecting to a DB instance running SQL Server
    * Updating applications for new SSL/TLS certificates
    * Upgrading the SQL Server DB engine
    * Importing and exporting SQL Server databases
       * Importing and exporting SQL Server data using other methods
   
    * Working with SQL Server read replicas
    * Multi-AZ for RDS for SQL Server
    * Additional features for SQL Server
       * Using SSL with a SQL Server DB instance
       * Configuring security protocols and ciphers
       * Using Windows Authentication with a SQL Server DB instance
       * Amazon S3 integration
       * Using Database Mail
       * Instance store support for tempdb
       * Using extended events
   
    * Options for SQL Server
       * Native backup and restore
       * Transparent Data Encryption
          * Performance considerations
      
       * SQL Server Audit
       * SQL Server Analysis Services
       * SQL Server Integration Services
       * SQL Server Reporting Services
       * Microsoft Distributed Transaction Coordinator
   
    * Common DBA tasks for SQL Server
       * Accessing the tempdb database
       * Analyzing database workload with Database Engine Tuning Advisor
       * Collations and character sets
       * Creating a database user
       * Determining a recovery model
       * Determining the last failover time
       * Disabling fast inserts
       * Dropping a SQL Server database
       * Renaming a Multi-AZ database
       * Resetting the db_owner role password
       * Restoring license-terminated DB instances
       * Transitioning a database from OFFLINE to ONLINE
       * Using CDC
       * Using SQL Server Agent
       * Working with SQL Server logs
       * Working with trace and dump files

 * MySQL on Amazon RDS
    * Connecting to a DB instance running MySQL
    * Updating applications for new SSL/TLS certificates
    * Upgrading the MySQL DB engine
    * Upgrading a MySQL DB snapshot
    * Importing data into a MySQL DB instance
       * Restoring a backup into an Amazon RDS MySQL DB instance
       * Importing data from a MySQL or MariaDB DB to a MySQL or MariaDB DB
         instance
       * Importing data to an Amazon RDS MySQL or MariaDB DB instance with
         reduced downtime
       * Importing data from any source to a MySQL or MariaDB DB instance
   
    * Working with MySQL replication
       * Working with MySQL read replicas
       * Using GTID-based replication
       * Replication with a MySQL or MariaDB instance running external to Amazon
         RDS
   
    * Exporting data from a MySQL DB instance
    * Options for MySQL
       * MariaDB Audit Plugin
       * memcached
   
    * Common DBA tasks for MySQL
    * Using Kerberos authentication for MySQL
    * Known issues and limitations
    * MySQL on Amazon RDS SQL reference
       * mysql.rds_set_master_auto_position
       * mysql.rds_set_external_master
       * mysql.rds_set_external_master_with_delay
       * mysql.rds_set_external_master_with_auto_position
       * mysql.rds_reset_external_master
       * mysql.rds_import_binlog_ssl_material
       * mysql.rds_remove_binlog_ssl_material
       * mysql.rds_set_source_delay
       * mysql.rds_start_replication
       * mysql.rds_start_replication_until
       * mysql.rds_start_replication_until_gtid
       * mysql.rds_stop_replication
       * mysql.rds_skip_transaction_with_gtid
       * mysql.rds_skip_repl_error
       * mysql.rds_next_master_log
       * mysql.rds_innodb_buffer_pool_dump_now
       * mysql.rds_innodb_buffer_pool_load_now
       * mysql.rds_innodb_buffer_pool_load_abort
       * mysql.rds_set_configuration
       * mysql.rds_show_configuration
       * mysql.rds_kill
       * mysql.rds_kill_query
       * mysql.rds_rotate_general_log
       * mysql.rds_rotate_slow_log
       * mysql.rds_enable_gsh_collector
       * mysql.rds_set_gsh_collector
       * mysql.rds_disable_gsh_collector
       * mysql.rds_collect_global_status_history
       * mysql.rds_enable_gsh_rotation
       * mysql.rds_set_gsh_rotation
       * mysql.rds_disable_gsh_rotation
       * mysql.rds_rotate_global_status_history

 * Oracle on Amazon RDS
    * Oracle overview
       * Oracle features
       * Oracle versions
       * Oracle licensing
       * Oracle instance classes
       * Oracle architecture
       * Oracle parameters
       * Oracle character sets
       * Oracle limitations
   
    * Connecting to an Oracle instance
    * Securing Oracle connections
       * Encrypting with SSL
       * Using new SSL/TLS certificates
       * Configuring Kerberos authentication
          * Setting up
          * Managing a DB instance
          * Connecting with Kerberos authentication
      
       * Configuring outbound network access
   
    * Administering your Oracle DB
       * System tasks
       * Database tasks
       * Log tasks
       * RMAN tasks
       * Oracle Scheduler tasks
       * Diagnostic tasks
       * Other tasks
   
    * Importing data into Oracle
    * Working with Oracle replicas
    * Options for Oracle
       * Overview of Oracle DB options
       * Amazon S3 integration
       * Application Express (APEX)
       * Enterprise Manager
          * OEM Database Express
          * OEM Management Agent
      
       * Java virtual machine (JVM)
       * Label security
       * Locator
       * Multimedia
       * Native network encryption (NNE)
       * OLAP
       * Secure Sockets Layer (SSL)
       * Spatial
       * SQLT
       * Statspack
       * Time zone
       * Time zone file autoupgrade
       * Transparent Data Encryption (TDE)
       * UTL_MAIL
       * XML DB
   
    * Upgrading the Oracle DB engine
    * Upgrading an Oracle DB snapshot
    * Tools and third-party software for Oracle
       * Setting up
       * Using Oracle GoldenGate
       * Using the Oracle Repository Creation Utility
       * Installing a Siebel database on Oracle on Amazon RDS
   
    * Oracle database engine release notes
       * Database engine: 19.0.0.0
       * Database engine: 18.0.0.0
       * Database engine: 12.2.0.1
       * Database engine: 12.1.0.2
       * Database engine: 11.2.0.4

 * PostgreSQL on Amazon RDS
    * Connecting to a PostgreSQL instance
    * Security with RDS for PostgreSQL
       * Using SSL with a PostgreSQL DB instance
       * Using new SSL/TLS certificates in applications
       * Using Kerberos authentication
          * Setting up
          * Managing a DB instance in a Domain
          * Connecting with Kerberos authentication
   
    * Upgrading the PostgreSQL DB engine
    * Upgrading a PostgreSQL DB snapshot engine version
    * Working with PostgreSQL read replicas
    * Importing data into PostgreSQL
    * Exporting PostgreSQL data to Amazon S3
    * Common DBA tasks for PostgreSQL
       * Working with PostgreSQL autovacuum
       * Working with the PostGIS extension
       * Using a custom DNS server for outbound network access
       * Scheduling maintenance with the pg_cron extension
       * Managing partitions with the pg_partman extension
       * Invoking a Lambda function from RDS for PostgreSQL

 * Security
    * Database authentication
    * Data protection
       * Data encryption
          * Encrypting Amazon RDS resources
          * Customer master key (CMK) management
          * Using SSL/TLS to encrypt a connection
          * Rotating your SSL/TLS certificate
      
       * Internetwork traffic privacy
   
    * Identity and access management
       * How Amazon RDS works with IAM
       * Identity-based policy examples
       * IAM database authentication for MySQL and PostgreSQL
          * Enabling and disabling
          * Creating and using an IAM policy for IAM database access
          * Creating a database account using IAM authentication
          * Connecting to your DB instance using IAM authentication
             * Connecting using IAM: AWS CLI and mysql client
             * Connecting using IAM authentication from the command line: AWS
               CLI and psql client
             * Connecting using IAM authentication and the AWS SDK for .NET
             * Connecting using IAM authentication and the AWS SDK for Go
             * Connecting using IAM authentication and the AWS SDK for Java
             * Connecting using IAM authentication and the AWS SDK for Python
               (Boto3)
      
       * Troubleshooting
   
    * Logging and monitoring
    * Compliance validation
    * Resilience
    * Infrastructure security
    * VPC endpoints (AWS PrivateLink)
    * Security best practices
    * Controlling access with security groups
       * DB security groups on EC2-Classic
   
    * Master user account privileges
    * Service-linked roles
    * Using Amazon RDS with Amazon VPC
       * Determining whether you are using the EC2-VPC or EC2-Classic platform
       * Scenarios for accessing a DB instance in a VPC
          * Scenarios for accessing a DB instance not in a VPC
      
       * Working with a DB instance in a VPC
       * Tutorial: Create an Amazon VPC for use with a DB instance

 * Quotas and constraints
 * Troubleshooting
 * Amazon RDS API reference
    * Using the Query API
    * Troubleshooting applications

 * Document history
 * AWS glossary


Enabling and disabling IAM database authentication - Amazon Relational Database
Service
AWSDocumentationAmazon Relational Database Service (RDS)User Guide


ENABLING AND DISABLING IAM DATABASE AUTHENTICATION

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By default, IAM database authentication is disabled on DB instances. You can
enable or disable IAM database authentication using the AWS Management Console,
AWS CLI, or the API.

You can enable IAM database authentication when you perform one of the following
actions:

 * To create a new DB instance with IAM database authentication enabled, see
   Creating an Amazon RDS DB instance.

 * To modify a DB instance to enable IAM database authentication, see Modifying
   an Amazon RDS DB instance.

 * To restore a DB instance from a snapshot with IAM database authentication
   enabled, see Restoring from a DB snapshot.

 * To restore a DB instance to a point in time with IAM database authentication
   enabled, see Restoring a DB instance to a specified time.

IAM authentication for PostgreSQL DB instances requires that the SSL value be 1.
You can't enable IAM authentication for a PostgreSQL DB instance if the SSL
value is 0. You can't change the SSL value to 0 if IAM authentication is enabled
for a PostgreSQL DB instance.

Console

Each creation or modification workflow has a Database authentication section,
where you can enable or disable IAM database authentication. In that section,
choose Password and IAM database authentication to enable IAM database
authentication.

To enable or disable IAM database authentication for an existing DB instance

 1. Open the Amazon RDS console at https://console.aws.amazon.com/rds/.

 2. In the navigation pane, choose Databases.

 3. Choose the DB instance that you want to modify.
    
    Note
    
    Make sure that the DB instance is compatible with IAM authentication. Check
    the compatibility requirements in Availability for IAM database
    authentication.

 4. Choose Modify.

 5. In the Database authentication section, choose Password and IAM database
    authentication to enable IAM database authentication.

 6. Choose Continue.

 7. To apply the changes immediately, choose Immediately in the Scheduling of
    modifications section.

 8. Choose Modify DB instance .

AWS CLI

To create a new DB instance with IAM authentication by using the AWS CLI, use
the create-db-instance command. Specify the --enable-iam-database-authentication
option, as shown in the following example.

aws rds create-db-instance \
    --db-instance-identifier mydbinstance \
    --db-instance-class db.m3.medium \
    --engine MySQL \
    --allocated-storage 20 \
    --master-username masterawsuser \
    --master-user-password masteruserpassword \
    --enable-iam-database-authentication 

To update an existing DB instance to have or not have IAM authentication, use
the AWS CLI command modify-db-instance. Specify either the
--enable-iam-database-authentication or --no-enable-iam-database-authentication
option, as appropriate.

Note

Make sure that the DB instance is compatible with IAM authentication. Check the
compatibility requirements in Availability for IAM database authentication.

By default, Amazon RDS performs the modification during the next maintenance
window. If you want to override this and enable IAM DB authentication as soon as
possible, use the --apply-immediately parameter.

The following example shows how to immediately enable IAM authentication for an
existing DB instance.

aws rds modify-db-instance \
    --db-instance-identifier mydbinstance \
    --apply-immediately \
    --enable-iam-database-authentication

If you are restoring a DB instance, use one of the following AWS CLI commands:

 * restore-db-instance-to-point-in-time

 * restore-db-instance-from-db-snapshot

The IAM database authentication setting defaults to that of the source snapshot.
To change this setting, set the --enable-iam-database-authentication or
--no-enable-iam-database-authentication option, as appropriate.

RDS API

To create a new DB instance with IAM authentication by using the API, use the
API operation CreateDBInstance. Set the EnableIAMDatabaseAuthentication
parameter to true.

To update an existing DB instance to have IAM authentication, use the API
operation ModifyDBInstance. Set the EnableIAMDatabaseAuthentication parameter to
true to enable IAM authentication, or false to disable it.

Note

Make sure that the DB instance is compatible with IAM authentication. Check the
compatibility requirements in Availability for IAM database authentication.

If you are restoring a DB instance, use one of the following API operations:

 * RestoreDBInstanceFromDBSnapshot

 * RestoreDBInstanceToPointInTime

The IAM database authentication setting defaults to that of the source snapshot.
To change this setting, set the EnableIAMDatabaseAuthentication parameter to
true to enable IAM authentication, or false to disable it.

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Document Conventions
IAM database authentication for MySQL and PostgreSQL
Creating and using an IAM policy for IAM database access
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