If mr. smith''s bike has been sent to his new address, but the bill to his old one, it can most likely be attributed to a lack of data integrity, refers to that quality that is inherent in the information when it is considered accurate, complete, homogeneous, solid and consistent with the intention of the creators of the data that comprise it. This quality, which is linked to the data itself and not to the place where it is stored, is obtained when the content of a database, a process or a system is effectively prevented from being seen, accidentally or intentionally modified, based on its own content or with the help of the insertion again, totally or partially destroyed.