How different is creating an Amazon RDS Reserved Instance from creating an Amazon RDS on demand instance?

Amazon RDS Reserved Instances give you the option to reserve a DB instance for a one or three year term and in turn receive a significant discount compared to the On-Demand Instance pricing for the DB instance. You can choose between three payment options when you purchase a Reserved Instance.

What is the primary benefit of deploying an RDS database in a multi az configuration?

Amazon RDS Multi-AZ deployments provide enhanced availability and durability for RDS database (DB) instances, making them a natural fit for production database workloads.

How do I choose a RDS instance?

As a rule of thumb, it’s better to chose the latest types as they usually run on better hardware and provide better performance for the same price. For burstable instances it’s better to choose the T3 over the T2, for general purpose types it’s better to choose the M5 over the M4, and so on.

What is an example of a security group used by Amazon RDS?

Three types of security groups are used with Amazon RDS: VPC security groups, DB security groups, and EC2-Classic security groups. In simple terms, these work as follows: A VPC security group controls access to DB instances and EC2 instances inside a VPC.

How do I set up a security group for RDS?

To create a DB security group, you need to provide a name and a description. Open the Amazon RDS console at https://console.aws.amazon.com/rds/ . From the navigation pane, choose Security Groups. If you are on the EC2-VPC platform, the Security Groups option does not appear in the navigation pane.

Does RDS need security group?

Deleting DB VPC security groups. DB VPC security groups are an RDS mechanism to synchronize security information with a VPC security group. However, this synchronization is no longer required, because RDS has been updated to use VPC security group information directly.