Row-level security in a relational database management system
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
Nov 4, 2016
filing date -
Sep 4, 2002
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Abstract
Access control methods provide multilevel and mandatory access control for a database management system. The access control techniques provide access control at the row level in a relational database table. The database table contains a security label column within which is recorded a security label that is defined within a hierarchical security scheme. A user's security label is encoded with security information concerning the user. When a user requests access to a row, a security mechanism compares the user's security information with the security information in the row. If the user's security dominates the row's security, the user is given access to the row.
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