content/data-base/How pt-online-schema-change Handles Foreign Keys.md

---

title: How pt-online-schema-change Handles Foreign Keys date: 2019-06-20 11:43:52 categories: [data base] tags: [mysql,percona]

authors: sedlav

Percona's Uday Varagani explains how pt-online-schema-change handles foreign key constraints when executing a DDL change in MySQL.

Link