Ravi Sir's Cards › AWS
What is DynamoDB?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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Why do we need it?
Serverless APIs need a database that scales with spikes, not a server you babysit.
What is it?
DynamoDB is a managed NoSQL key-value/document database.
How to do it
Create a table with a partition key; put and get items by key.
Create table
Example
notes table PK noteId → GetItem returns one note in milliseconds.