---
title: "RelationCardinality"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/data-table/src/lib/table.ts#L506"
---

# RelationCardinality

## Summary

Cardinality of a relation.

## Signature

```ts
type RelationCardinality = 'one' | 'many'

```