9. S3

Mon, 01 Jan 0001 00:00:00 +0000

S3 (Simple Storage Service)#

Amazon S3 is an object storage service that lets you store and retrieve any amount of data from anywhere on the internet. Unlike a file system (which organises data in a folder hierarchy) or a block storage volume (which behaves like a hard disk), S3 stores data as discrete objects — each one a self-contained bundle of data, metadata, and a unique key. S3 exists because applications need a place to persist files that is durable, infinitely scalable, and decoupled from any single server. It underpins a huge slice of AWS architectures: application assets, data lakes, backups, static sites, event pipelines, and more. 🔗

10. DynamoDB

Mon, 01 Jan 0001 00:00:00 +0000

DynamoDB#

Amazon DynamoDB is a fully managed, serverless NoSQL database built for applications that need consistent, single-digit millisecond performance at any scale. Unlike relational databases, you don’t provision or manage servers — AWS handles availability, replication, and scaling automatically. DynamoDB is the go-to database for serverless architectures on AWS, and it’s one of the most heavily tested services on the DVA-C02 exam.

The core problem it solves: traditional relational databases struggle to scale horizontally and often become bottlenecks under unpredictable or high traffic. DynamoDB sidesteps this by distributing data across partitions and offering near-instant reads and writes regardless of load.

Core Storage on 🏠

9. S3

S3 (Simple Storage Service)#

10. DynamoDB

DynamoDB#