CouchDB quiz

Test your CouchDB knowledge with a free interactive quiz — 18 questions with answers and explanations. No signup needed to play.

How does CouchDB indicate and let an application resolve a replication conflict on a document?

1. How does CouchDB indicate and let an application resolve a replication conflict on a document?
2. What is a CouchDB "design document," and what does it typically contain?
3. What is CouchDB?
4. What does a CouchDB map function like `function(doc) { if (doc.type === "article") emit(doc.author, doc.title); }` do when defining a view?
5. What does "multi-master replication" mean in CouchDB, and what problem does it solve?
6. What is the significance of CouchDB documents having a `_rev` (revision) field?
7. What is PouchDB, and how does it relate to CouchDB?
8. What is a "quorum" setting in CouchDB's clustered mode, referring to read/write consistency (`r`/`w` query parameters)?
9. What is a "view" in CouchDB, and how is it typically defined?
10. What HTTP status code does CouchDB typically return when an update request includes a `_rev` that no longer matches the document's current revision?
11. Why is a CouchDB view's index described as "incrementally maintained" rather than recomputed on every query?
12. What is a common real-world use case that motivates choosing CouchDB (or PouchDB+CouchDB) specifically?

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