8 DATA ACCESSIBILITY
This chapter brings together three related topics: data security, data integrity and data recovery. Although the mechanisms to control security, integrity and recovery of data are normally controlled and managed by database administrators, the overall policies for the security, integrity and recovery of data fall within the remit of the data administration function.
DATA SECURITY
Data security is about protecting the database against unauthorised users. This is to maintain privacy, to ensure that data is not seen by those who are not entitled to see it, and also to ensure that data is not wilfully corrupted.
There should be an enterprise-wide data security policy in place. This policy should specify the degree of security ...
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