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126 questions, 454 terms and 400 topics in 20 areas.
9 results for “CQRS”
CQRS
Separating the model used to change state from the model used to read it, so each can be optimised independently.
Materialized View
A precomputed, stored result of a query, refreshed on a schedule or from a change stream, read instead of recomputing.
Projection
The process that consumes changes from the write side and maintains a read model, and the component where most CQRS bugs live.
Read Model
A data structure shaped for a specific query rather than for the domain, maintained separately from the write model.
A team proposes CQRS for a CRUD admin panel because reads are slow. Is that the right call?
Why not CQRS here "Reads are slow" is a symptom with many causes, and CQRS addresses only one of them: the read and write models having genuinely different opti
You are reviewing a design for an internal tool with 200 users. It proposes Kubernetes, microservices, Kafka, a service mesh and CQRS. How do you handle the review?
What the interviewer is testing Judgement, and whether you can push back without alienating a team. Anyone can spot over engineering; the question is what you d
Netflix personalises an entire home page in the time a TV takes to draw a screen. How, given that scoring every title for every member on request is impossible?
What the interviewer is testing Whether you reach for the offline/online split — the single most reusable idea in latency critical personalisation — rather than