# Materialized views

> A Database answers a report from a stored view: half the scan CPU, and the figures are as old as the refresh.

## Prerequisites

It is a root of the Performance track. Nothing comes before it.

## Engineering terms

- [Materialized view](https://wiki.playquorum.dev/glossary/materialized-view.md)
- [OLTP and OLAP](https://wiki.playquorum.dev/glossary/oltp-and-olap.md)

## Facts

Materialized views
- **Track:** Performance
- **Era:** [Series B](https://wiki.playquorum.dev/eras/series-b.md)
- **Cost:** 12.0k
- **Requires:** —

## See also

- [Research tree](https://wiki.playquorum.dev/research.md)

Source: https://wiki.playquorum.dev/research/precompute