A developer defined a new table in db.schema.xml while creating a new module. What should be done to allow the removal of columns from the database…

If a developer wants to allow the removal of columns from the database when deleting them from

db.schema.xml, they need to define the removable columns in the db_schema_whitelist.json file.

This file will tell Magento which columns can be removed from the database.

To allow columns to be removed from the database when they are deleted from db_schema.xml,

they must be listed in the db_schema_whitelist.json file. This file acts as a reference for which

database schema elements are safe to modify or delete, providing a safeguard against unintentional

data loss during schema updates.