# Cost-Based Optimization

Choosing a plan by comparing estimated resource costs of alternatives.

## What is **Cost-Based Optimization** in a relational database?

**Cost-Based Optimization** — Choosing a plan by comparing estimated resource costs of alternatives.

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/cost-based-optimization