Ravi Sir's Cards › AWS
Diagram or workloads?
This comparison card contrasts Diagram or workloads. ER-first is described as normalize from ER then fight Scans. Access-first is described as list reads/writes then invent keys.
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What this card says
Diagram or workloads?
ER-first
Normalize from ER then fight Scans.
Access-first
List reads/writes then invent keys.
Key points
Legacy migrations without traffic study.
Greenfield DynamoDB design.
Example
ER diagram only
Use when
Avoid alone.
Required ritual.