Column Family Store
A column-family store is a type of NoSQL database that groups related columns into named 'column families' within a row, storing and retrieving data by row key plus column family rather than by fixed relational rows, enabling sparse, wide, and flexible schemas at large scale.
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Glossary Terms(5)
LSM Tree
A Log-Structured Merge-tree (LSM tree) is a write-optimized data structure that batches writes in memory and flushes them sequentially to disk as immutable sor…
Column-Family Store
A column-family store is a type of NoSQL database that groups related columns into named 'column families' within a row, storing and retrieving data by row key…
Wide-Column Database
A wide-column database is a NoSQL database that stores data in tables where rows can have a very large and variable number of columns, organized into column fa…
Document Store Database
A document store is a NoSQL database that stores data as self-contained documents — typically JSON, BSON, or XML — each holding nested fields and arrays, allow…
Database Sharding Key
A database sharding key (or partition key) is the attribute, or combination of attributes, used to determine which shard (physical partition) of a distributed…