What are the most common types of #NoSQL #databases?
* Document databases store data in documents similar to JSON objects. Each document contains pairs of fields and values. The values can be a variety of types including strings, numbers, booleans, arrays, or objects 1/n
* Document databases store data in documents similar to JSON objects. Each document contains pairs of fields and values. The values can be a variety of types including strings, numbers, booleans, arrays, or objects 1/n
* Key-value databases are a type of database where each item contains keys and values. A value can typically only be retrieved by referencing its key, so learning how to query for a specific key-value pair is typically simple 2/n
* Wide-column stores store data in tables, rows, and dynamic columns, wide-column stores are commonly used for storing IoT data and user profile data. Cassandra and HBase are two of the popular wide-column stores 3/n
* Graph databases store data in nodes and edges. They excel in use cases where you need to traverse relationships to look for patterns such as social networks, fraud detection, and recommendation engines 3/3
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