Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
Relational databases are periodically vacuumed to remove tuples that have expired. During the discovery phase of litigation, plaintiffs ask defendants for access to information re...
In an on-line statistical database, the query system should leave unanswered queries asking for sums that could lead to the disclosure of confidential data. To check that, every su...
Securing resources against unauthorized access and/or use is a major concern of every organization that uses computer networks. To protect internal networks from external attacks,...