The purpose of this SQL script is to clean up a Magento 1.x database by deleting orphaned
records from database tables which cause foreign key contraint failures. This happens when
at some point in time records where deleted from the database while
FOREIGN_KEY_CHECKS = 0
and the person performing the delete operations failed to delete all related records
pertaining to related tables of the primary table.
This script can be helpful when encountering foreign key constraint failures using the Data Migration Tool to migrate your