We performed a comparison between OpenSearch and PostgreSQL based on real PeerSpot user reviews.
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OpenSearch is ranked 14th in Open Source Databases while PostgreSQL is ranked 2nd in Open Source Databases with 120 reviews. OpenSearch is rated 0.0, while PostgreSQL is rated 8.6. On the other hand, the top reviewer of PostgreSQL writes " A scalable and stable database for transactional purposes". OpenSearch is most compared with Pinecone, Faiss, Milvus, Redis and Chroma, whereas PostgreSQL is most compared with Firebird SQL, EDB Postgres Advanced Server, MySQL, MariaDB and Faiss.
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