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Ravi Sir's Cards › AWS

Same model or split?

This comparison card contrasts Same model or split. Single CRUD model: One model serves reads and writes. CQRS: Write model + read projections diverge on purpose. The card pairs Single CRUD model with start simple, and CQRS with split when needed.

Same model or split?: Single CRUD model vs CQRS
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What this card says

Same model or split?

Single CRUD model

One model serves reads and writes.

CQRS

Write model + read projections diverge on purpose.

Key points

Simple admin CRUD.

Complex reads, separate scale.

Example

PutItem + GetItem.

Use when

Start simple.

Split when needed.

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