Everything you need to know about AWS DynamoDB, including pricing, set up, queries, scans and more to help you reap all of its benefits.
AWS DynamoDB changed the database game in Serverless and continues to do so, as its design repeatedly proves its huge value. This guide takes you through everything there is to know about DynamoDB so you can rest assured you’re using the service in its best way and reaping all of the benefits.
DynamoDB is a key-value and document database with single-digit millisecond response times at any scale. It’s a fully managed durable database with built-in security, backup and restore capabilities.
A keyword you’ll often hear with DynamoDB is that it is a NoSQL database, which simply means it doesn’t use the traditional SQL query language used in relational databases. Its design is to reduce complexity between tables by consolidating objects into a common collection or “schemaless” table in a NoSQL database. These objects are then grouped together based on common themes, which will meet the conditions of the common queries of the application that you set.
While a relational database still has its place such as when flexibility is needed, as computing costs have increasingly become the main consumer of a business’ budget, the world needs faster speeds to match scaling demands. RDBMS can also see query performance become unpredictable and highly variable, and as more data is loaded in, it can also degrade.
When it comes to NoSQL design, data can be queried efficiently however only in a finite amount of ways. Therefore, it’s important to understand the specific questions it’ll be answering before any design takes place. Also to note, unlike with RDBMS, your aim should be to have as few tables as possible.
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