Foreign key constraint fails

Common SQL Errors

Runtime

Foreign key integrity issue

MySQL
Sign up for the latest in common SQL errors from the Galaxy Team!
Welcome to the Galaxy, Guardian!
Oops! Something went wrong while submitting the form.

Typical Error Message

Cannot add/delete child row: foreign key constraint fails

Explanation

Occurs when trying to insert or delete a row that violates a foreign key constraint. Ensure referenced data exists and matches.

Common Causes

Missing parent row or child row dependency

Related Errors

FAQs

Check out some other errors

Trusted by top engineers on high-velocity teams
Aryeo Logo
Assort Health
Curri
Rubie
BauHealth Logo
Truvideo Logo
Welcome to the Galaxy, Guardian!
Oops! Something went wrong while submitting the form.