Ravi Sir's Cards › AWS
Does DynamoDB support SQL joins?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
What it is
No. Model data for your access patterns instead.
Why it matters
Duplicate or single-table design replaces many joins.
How / example
Need ad-hoc joins daily → consider RDS.