Couchbase document-oriented NoSQL baza bo’lib, memory-first arxitektura va SQLga o’xshash N1QL query tili bilan ajralib turadi. Real-time web, mobil sync va past latency talab qilinadigan tizimlarda ishlatiladi. Couchbase kuchli tomoni document flexibility va performance bo’lsa, productionda cluster sizing, indexing va consistency modelni to’g’ri tanlash zarur.