---
title: "Columnar Storage — Database Glossary | Xata"
description: "A storage format where data is organized by column rather than by row. Efficient for analytical queries that scan a few columns across many rows. Exampl..."
source: "https://xata.io/glossary/columnar-storage"
---

# Columnar Storage

Storage

A storage format where data is organized by column rather than by row. Efficient for analytical queries that scan a few columns across many rows. Examples: Parquet, pg_duckdb, cstore_fdw.

Related terms

[OLAP](/glossary/olap)

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