How does Amazon RDS work for PostgreSQL databases?
As a managed service, Amazon RDS provides a high level of security for your PostgreSQL databases. These include network isolation using Amazon Virtual Private Cloud (VPC), encryption at rest using keys you create and control through AWS Key Management Service (KMS) and encryption of data in transit using SSL.
How to manage database access in Amazon RDS?
Both support IAM authentication for managing access to your database. You can associate database users with IAM users and roles to manage user access to all databases from a single location, which avoids issues caused by permissions being out of sync on different RDS/Aurora instances.
How does granular access permissions work in PostgreSQL?
With PostgreSQL, you can create users and roles with granular access permissions. The new user or role must be selectively granted the required permissions for each database object. This gives a lot of power to the end user, but at the same time, it makes the process of creating users and roles with the correct permissions potentially complicated.
How to manage users, groups and roles in PostgreSQL?
You can connect to the RDS endpoint for your PostgreSQL database using a client such as psql and run the SQL statements. Users, groups, and roles are the same thing in PostgreSQL, with the only difference being that users have permission to log in by default.
How to import data from Amazon S3 to RDS?
You can import data from Amazon S3 into a table belonging to an RDS for PostgreSQL DB instance. To do this, you use the aws_s3 PostgreSQL extension that Amazon RDS provides. To import from Amazon S3 into RDS for PostgreSQL, your database must be running PostgreSQL version 10.7 or later.
How does Amazon RDS charge for partial DB Instances?
Partial DB instance-hours are billed in one-second increments with a 10 minute minimum charge following a billable status change such as creating, starting, or modifying the DB instance class. The pricing below applies to a DB Instance deployed in a Single Availability Zone.
How to move data from Amazon EC2 to PostgreSQL?
The PostgreSQL command pg_dumpall requires super_user permissions that are not granted when you create a DB instance, so it cannot be used for importing data. If you have data in a PostgreSQL server on an Amazon EC2 instance and want to move it to a PostgreSQL DB instance, you can use the following process.