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  2. Data integrity - Wikipedia

    en.wikipedia.org/wiki/Data_integrity

    Data integrity. Data integrity is the maintenance of, and the assurance of, data accuracy and consistency over its entire life-cycle. [ 1] It is a critical aspect to the design, implementation, and usage of any system that stores, processes, or retrieves data. The term is broad in scope and may have widely different meanings depending on the ...

  3. Data quality - Wikipedia

    en.wikipedia.org/wiki/Data_quality

    Data quality refers to the state of qualitative or quantitative pieces of information. There are many definitions of data quality, but data is generally considered high quality if it is "fit for [its] intended uses in operations, decision making and planning ". [ 1][ 2][ 3] Moreover, data is deemed of high quality if it correctly represents the ...

  4. Referential integrity - Wikipedia

    en.wikipedia.org/wiki/Referential_integrity

    Definition: Referential integrity is a database concept that ensures that relationships between tables remain consistent. When one table has a foreign key to another table, the concept of referential integrity states that you may not add a record to the table that contains the foreign key unless there is a corresponding record in the linked table.

  5. Information security - Wikipedia

    en.wikipedia.org/wiki/Information_security

    Information security, sometimes shortened to infosec, [ 1] is the practice of protecting information by mitigating information risks. It is part of information risk management. [ 2][ 3] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure, disruption ...

  6. Data collection - Wikipedia

    en.wikipedia.org/wiki/Data_collection

    Data collection or data gathering is the process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes. Data collection is a research component in all study fields, including physical and social sciences, humanities, [ 2] and business.

  7. Data governance - Wikipedia

    en.wikipedia.org/wiki/Data_governance

    Here data governance is a data management concept concerning the capability that enables an organization to ensure that high data quality exists throughout the complete lifecycle of the data, and data controls are implemented that support business objectives. The key focus areas of data governance include availability, usability, consistency ...

  8. Clark–Wilson model - Wikipedia

    en.wikipedia.org/wiki/Clark–Wilson_model

    Clark and Wilson argue that the existing integrity models such as Biba (read-up/write-down) were better suited to enforcing data integrity rather than information confidentiality. The Biba models are more clearly useful in, for example, banking classification systems to prevent the untrusted modification of information and the tainting of ...

  9. Data corruption - Wikipedia

    en.wikipedia.org/wiki/Data_corruption

    Data corruption. Data corruption refers to errors in computer data that occur during writing, reading, storage, transmission, or processing, which introduce unintended changes to the original data. Computer, transmission, and storage systems use a number of measures to provide end-to-end data integrity, or lack of errors.