# Tuple Relational Calculus

A declarative formal query language describing desired tuples with logical predicates.

## What is **Tuple Relational Calculus** in a relational database?

**Tuple Relational Calculus** — A declarative formal query language describing desired tuples with logical predicates.

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/tuple-relational-calculus