Best Key-Value Stores

Key-value stores save data as associative arrays where a single value is associated together with a key used as a signifier for the value. No two keys necessarily need the same structure, so data is simply accumulated into a single, large table. Database administrators can quickly pull the data by identifying a specific key. A query language is not necessary when retrieving data, which provides convenience for users who are lacking query language knowledge. Key-value stores can also be used for web caches. Key-value stores are a type of NoSQL database and are the least structured of the schemaless data stores. Other types of NoSQL tools include include document database tools, graph database tools, object-orientated database tools and more. Those who need a solution at no cost can look at free database software.

To qualify for inclusion in the Key-Value Store category, a product must:

  • Provide data storage
  • Store data as a singular value associated with a key
  • Allow users to retrieve the data

Key-Value Stores Grid® Overview

The best Key-Value Stores products are determined by customer satisfaction (based on user reviews) and scale (based on market share, vendor size, and social impact) and placed into four categories on the Grid®:
  • Products in the Leader quadrant are rated highly by G2 Crowd users and have substantial Market Presence scores. Leaders include: Redis
  • High Performers are highly rated by their users, but have not yet achieved the market share and scale of the Leaders. High Performers include: Memcached, Aerospike, BoltDB, and ArangoDB
  • Contenders have significant Market Presence and resources, but have received below average user Satisfaction ratings or have not yet received a sufficient number of reviews to validate the solution. Contenders include: Hbase, Couchbase, and Oracle NoSQL
  • Niche solutions do not have the Market Presence of the Leaders. They may have been rated positively on customer Satisfaction, but have not yet received enough reviews to validate them. Niche products include: Riak
G2 Crowd Grid® for Key-Value Stores
High Performers
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