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Data redundancy and integrity.
Terms in this set (2)
Reducing redundancy is the reduction of repeated data across a database. This is achieved by using a RDBMS system, using relationships and keys to associate records with each other, instead of entering data more than once.
Ensuring data integrity
Data integrity refers to the avoidance and removal of anomalies and other risks facing the reliability of the data. Practices such as forming a RDBMS with a high level of normalisation to avoid anomalies and keeping the database security at a high level are ways in which data integrity within a database can be ensured.
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Chapter 6: Databases and Information Management