0003) A virtual private database (VPD) enables the bind ing of a stored procedure to
database objects, Such as a tables and views. When the database object is accessed, Such …

BACKGROUND Some database systems providefine-grainaccess control at an individual
row level and/or at an individual column level. Rather than opening up an entire table to any …

(57) ABSTRACT A method of transforming relational database management systems into
their privacy-preserving equivalents is pro vided. Language constructs allow fine grained …

One embodiment of the present invention provides a sys tem that facilitates protecting an
item of private information in a database, wherein the item of private information is used as a …

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 …

An access control system provides multilevel and mandatory access control for a database
management system. The access control systems provide access control at the row level in …

The present invention generally is directed to systems, methods, and articles of manufacture
for securing sensitive information involved in database transactions. Embodiments of the …

A mechanism is provided for secure data access in a data processing system. A database
having two tables is provided. A subset of the tables' primary key attributes is considered …

Routines for manipulating data in a database are performed by a database server by
determining whether or not a database manipulation routine is to be isolated from a …

Techniques for managing access to data in a database allow several policies to be applied
simultaneously to the same row in a database table, and provide a pluggable module in the …