Data organized into rows and columns

Can appear similar to a relational database

IMPORTANT FEATURE: Columns are divided into groups called column-family

Rows can be sparse (does NOT need to have value for every column)

Use cases: IOT streams and real time analytics, financial data - transaction

histories, stock prices etc

Managed Service: Azure Cosmos DB Cassandra API, Google Cloud Bigtable,

Amazon Keyspaces (for Apache Cassandra)