Term | Definition |
What is Amazon RDS | Amazon Relational Database Service (Amazon RDS) is a managed service that makes it easy to set up, operate, and scale a relational database in the cloud. |
What does RDS provide | It provides cost-efficient and resizable capacity, while managing time-consuming database administration tasks, freeing you up to focus on your applications and business. |
What relational databases are supported by Amazon RDS | Amazon RDS supports Amazon Aurora, MySQL, MariaDB, Oracle, SQL Server, and PostgreSQL database engines. |
When would you use Amazon RDS vs. Amazon EC2 Relational Database AMIs | Amazon RDS enables you to run a fully featured relational database while offloading database administration. Using one of our many relational database AMIs on Amazon EC2 allows you to manage your own relational database in the cloud. |
What is a database instance (DB instance) | A DB instance is a database environment in the cloud with the compute and storage resources you specify. |
How do I create a DB instance | DB instances are simple to create, using either the AWS Management Console, Amazon RDS APIs, or AWS Command Line Interface. |
How many DB instances can I run with Amazon RDS | By default, customers are allowed to have up to a total of 40 Amazon RDS DB instances. Of those 40, up to 10 can be Oracle or SQL Server DB instances under the "License Included" model. |
How many databases or schemas can I run within a DB instance | RDS for Amazon Aurora: No limit imposed by software |
How many databases or schemas can I run within a DB instance | RDS for MySQL: No limit imposed by software |
How many databases or schemas can I run within a DB instance | RDS for MariaDB: No limit imposed by software |
How many databases or schemas can I run within a DB instance | RDS for Oracle: 1 database per instance; no limit on number of schemas per database imposed by software |
How many databases or schemas can I run within a DB instance | RDS for SQL Server: 30 databases per instance |
How many databases or schemas can I run within a DB instance | RDS for PostgreSQL: No limit imposed by software |
What is a maintenance window | The Amazon RDS maintenance window is your opportunity to control when DB instance modifications (such as scaling DB instance class) and software patching occur, in the event they are requested or required. |
How long are maintenance windows | 30 minutes in duration |
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