# Statistics

Stored summaries of data distribution used to estimate query costs.

## What is **Statistics** in a relational database?

**Statistics** — Stored summaries of data distribution used to estimate query costs.

Level: Freelancer · [More Database terms at this level](https://www.ask-codey.com/glossary/subjects/database/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/statistics