Q20 Single choice Mark for later How do you add a foreign key to an existing table created by another module? A Create etc/db_schema.xml file with the table node and constraint child node B Run the command bin/magento setup:db-schema:upgrade <table> <constraint declaration> C This can only be done with raw SQL in a Schema Patch file D Create the etc/db_constraints.xml file and specify foreign key there in the constraint node Correct answer