# DB RelationalAlgebra

> Developer Tools

Canonical page: [https://chrome-stats.com/d/id6792125742](https://chrome-stats.com/d/id6792125742)

## Overview

- **ID:** `id6792125742`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Artur Borycki
- **Category:** Developer Tools
- **Version:** 1.1
- **Last updated:** 2026-09-03
- **First published:** 2026-08-04
- **Size:** 1.39 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/db-relationalalgebra/id6792125742)
- **Privacy policy:** [https://github.com/arturborycki/RA/blob/main/Privacy.txt](https://github.com/arturborycki/RA/blob/main/Privacy.txt)

## Description

A native iPad and iPhone app that converts a SQL query typed, pasted, or imported from a .sql file  into relational algebra, tuple relational calculus and domain relational calculus. Each notation gets a step by step derivation, a final oneline formula, and an interactive diagram  an operator tree for the algebra, a quantifier scope tree for the calculus  and a fourth view stacks all three against the same query. Whatever SQL asks for that a notation cannot express exactly is reported rather than quietly approximated.

## Rankings

- #1,341,498 — Overall
- #40 — tabellenkalkulation

## Similar extensions and apps

- [SQL Primer](https://chrome-stats.com/d/id374204155) — 3.20 / 5
- [Relational Algebra](https://chrome-stats.com/d/id6773055862)
- [Schema Studio: DB & DDL](https://chrome-stats.com/d/id6802662567)
- [SQL Professional Editor](https://chrome-stats.com/d/id6757487565) — 5.00 / 5
- [SQLite Editor & DB Viewer](https://chrome-stats.com/d/id6791691399) — 5.00 / 5
- [Master SQL - Database Manager](https://chrome-stats.com/d/id6759452128)
- [SQL Recipes](https://chrome-stats.com/d/id1442737262) — 4.90 / 5
- [SQL-ER-Diagram](https://chrome-stats.com/d/id1625280998)
- [DBInspector](https://chrome-stats.com/d/id6748661319) — 3.00 / 5
- [ER Diagram AI](https://chrome-stats.com/d/id6711352942) — 1.00 / 5
- [DBeast](https://chrome-stats.com/d/id6789026878)
- [Mobile Database Client](https://chrome-stats.com/d/id6761683943) — 5.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6792125742)