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Wide-column store

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A wide column store is a type of nosql database. It uses tables, rows, and columns, but unlike a relational database, the names and format of the columns can vary from row to row in the same table. A wide column store can be interpreted as a two-dimensional key-value store.[1]

As such two-level structures do not use a columnar data layout, wide column stores such as Bigtable and Apache Cassandra are not column stores in the original sense of the term.

Example Databases

Some example Wide Column Stores include:

References

  1. ^ https://db-engines.com/en/article/Wide+Column+Stores
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