In computer science and telecommunications, the term data integrity has the following meanings: Computer science, or computing science, is the study of the theoretical foundations of information and computation and their implementation and application in computer systems. ... Copy of the original phone of Graham Bell at the Musée des Arts et Métiers in Paris Telecommunication is the transmission of signals over a distance for the purpose of communication. ...

1. The condition in which data is identically maintained during any operation, such as transfer, storage, and retrieval.
2. The preservation of data for their intended use.
3. Relative to specified operations, the a priori expectation of data quality.

Another aspect of data integrity is the assurance that data can only be accessed and altered by those authorized to do so. The word operation can mean any of several things: The method, act, process, or effect of using a device or system. ... Did you mean? decal Population transfer Manhattan Transfer List of Latin words with English derivatives Transfer (movie) Electron transfer Fare transfer A technique in propaganda This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Look up storage in Wiktionary, the free dictionary. ... Data Quality refers to the quality of data. ... In security engineering and computer security, authorization, is a part of the operating system that protects computer resources by only allowing those resources to be used by resource consumers that have been granted authority to use them. ...

Often such integrity is ensured by use of a number referred to as a Message Integrity Code or Message Authentication Code. These are abbreviated MIC and MAC respectively. ... A cryptographic message authentication code (MAC) is a short piece of information used to authenticate a message. ...

In cryptography and information security in general, integrity refers to the validity of data. Integrity can be compromised in two main ways: The German Lorenz cipher machine, used in World War II for encryption of very high-level general staff messages Cryptography (or cryptology; derived from Greek κρυπτός kryptós hidden, and γράφειν gráfein to write) is the study of message secrecy. ... Information security deals with several different trust aspects of information. ...

• Malicious altering:
  • An attacker alters the account number in a bank transaction
  • Forging an identity document
• Accidental altering:
  • Transmission errors
  • Hard disk crash

Specifically, data integrity in a relational database is concerned with three aspects of the data in a database: A drive crash A head crash occurs when the read-write head of a hard disk drive touches its rotating platter. ... A relational database is a database that conforms to the relational model, and refers to a databases data and schema (the databases structure of how that data is arranged). ...

1. Accuracy
2. Correctness
3. Validity

A common variety of data integrity errors is Primary Key / Foreign Key relationship problems, such as orphan child record missing parent.

References

• Federal Standard 1037C
• MIL-STD-188
• National Information Systems Security Glossary