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Safely Adding NOT NULL Columns to Your Database Tables

Shopify Engineering2022-10-04 23:000 views

Recommendations from Shopify's Data Migrations team for adding NOT NULL columns safely to your own database tables, based on a recent investigation into schema change safety using using the popular Large Hadron Migrator (LHM) gem.

Source：https://shopify.engineering/add-not-null-colums-to-database

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