db_schema_whitelist.json file having history of all tables, columns, primary keys, foreign key, constraint keys combination etc, those are created by using the declarative schema. There are two ways to generate db_schema_whitelist.json by following below methods Step [1] – Manually To Create db_schema_whitelist.json Need to create file below path app/code/VendorName/ModuleName/etc/db_schema_whitelist.json Step [2] – CLI Command To … Continue reading How To Create db_schema_whitelist.json in Magento 2.3.x & 2.4.x