The definition of a delete controller is a piece of software that is responsible for managing the deletion of data from a database. It is a type of software that is used to ensure that data is deleted in a secure and reliable manner. Delete controllers are designed to protect the integrity of the data that is stored in a database. They are also used to ensure that data is not deleted accidentally or maliciously. Delete controllers are an important part of any database system, as they help to ensure that data is deleted in a safe and secure manner. They also help to prevent data from being lost or corrupted. Delete controllers are typically used in conjunction with other software such as backup and recovery software, as well as data encryption software.