Introduction to Amazon RDS
Learn about the benefits of using a managed relational database service and the different database engines supported by RDS.
Introduction to Amazon RDS is a free AWS for Backend Developers (EC2, S3, RDS, Lambda) lesson on CoddyKit — lesson 1 of 4. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the AWS for Backend Developers (EC2, S3, RDS, Lambda) learning path, one of 4 lessons in the course, and your progress syncs across the web and the CoddyKit app.
Welcome to Amazon RDS
Hello! In this lesson, we'll dive into Amazon RDS, a powerful service for managing relational databases.
Forget the headaches of traditional database setup and maintenance – RDS handles it all for you!
What is a Managed Database?
A managed database service like RDS means AWS takes care of the operational tasks for your database. Think of it as having an expert team constantly maintaining your database servers.
- Setup: No need to install software.
- Patching: AWS applies security updates.
- Backups: Your data is automatically saved.
Why Choose Amazon RDS?
Using RDS provides several key benefits:
- Reduced Operational Burden: Focus on your application, not database upkeep.
- Scalability: Easily increase storage or compute capacity as needed.
- High Availability: Built-in features for resilience and uptime.
- Cost-Effective: Pay only for what you use, without upfront hardware costs.
Relational Databases Refresher
Before we go further, let's quickly recap relational databases. They store data in tables with rows and columns, and these tables can be linked (related) to each other.
Common examples include MySQL, PostgreSQL, and SQL Server.
RDS Supports Many Engines
Amazon RDS isn't tied to one database type. It supports several popular relational database engines, giving you flexibility to choose what best fits your project.
You can migrate existing databases or start fresh with your preferred technology.
Popular Open-Source Engines
RDS offers robust support for open-source engines:
- MySQL: Widely used for web applications.
- PostgreSQL: Known for its advanced features and extensibility.
- MariaDB: A community-developed fork of MySQL.
These are great choices for many applications due to their flexibility and large communities.
AWS's Own: Amazon Aurora
Amazon Aurora is a high-performance, MySQL and PostgreSQL-compatible relational database built for the cloud. It combines the speed and availability of high-end commercial databases with the simplicity and cost-effectiveness of open-source databases.
Aurora is often 5x faster than standard MySQL and 3x faster than standard PostgreSQL.
Commercial Database Engines
For those with existing licenses or specific requirements, RDS also supports commercial database engines:
- Microsoft SQL Server: Popular for Windows-based applications.
- Oracle Database: A powerful enterprise-grade solution.
RDS simplifies managing these complex databases too.
Choosing Your Database Engine
When selecting an engine, consider:
- Compatibility: What does your application need?
- Features: Does it support specific functions you require?
- Cost: Licensing and operational expenses vary.
- Performance: How much throughput and low latency do you need?
There's usually an RDS engine to fit every scenario!
Quick Check: RDS Benefits
Which of the following are key benefits of using Amazon RDS over self-managing a database?
Recap: Intro to RDS
In this lesson, you've learned that Amazon RDS is a managed relational database service that simplifies database operations. We covered its key benefits like automation, scalability, and high availability.
You also explored the various database engines it supports, including MySQL, PostgreSQL, Aurora, SQL Server, and Oracle. Next, we'll provision our first RDS instance!
Frequently asked questions
Is the “Introduction to Amazon RDS” lesson free?
Yes — the full text of “Introduction to Amazon RDS” is free to read here on the web, and the AWS for Backend Developers (EC2, S3, RDS, Lambda) course includes 4 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the AWS for Backend Developers (EC2, S3, RDS, Lambda) course, upgrade to CoddyKit PRO.
What will I learn in “Introduction to Amazon RDS”?
Learn about the benefits of using a managed relational database service and the different database engines supported by RDS. You practise AWS for Backend Developers (EC2, S3, RDS, Lambda) with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.
Do I need any experience to start AWS for Backend Developers (EC2, S3, RDS, Lambda)?
No prior experience is required. AWS for Backend Developers (EC2, S3, RDS, Lambda) on CoddyKit is structured for beginners through advanced learners; this is — lesson 1 of 4, so you can start here or from the beginning and move at your own pace.
How long does the “Introduction to Amazon RDS” lesson take?
Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.
Can I write and run code in this AWS for Backend Developers (EC2, S3, RDS, Lambda) lesson?
Yes. Every AWS for Backend Developers (EC2, S3, RDS, Lambda) lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.
All lessons in this course
- Introduction to Amazon RDS
- Launching and Connecting to RDS
- RDS Backups and High Availability
- Scaling and Performance Tuning in RDS