---
name: "UR::DataSource::RDBMS::FkConstraint"
section: "3pm"
platform: "linux"
package: "libur-perl"
version: "0.470+ds-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/UR::DataSource::RDBMS::FkConstraint"
---

# UR::DataSource::RDBMS::FkConstraint(3pm)

metadata about a data source's foreign keys

## NAME

UR::DataSource::RDBMS::FkConstraint - metadata about a data source's foreign keys

## DESCRIPTION

This class represents instances of foreign keys in a data source.  They are  maintained by 'ur update classes' and stored in the namespace's MetaDB.