METHOD AND SYSTEM FOR SAFEGUARDING DATABASE RELATIONS AGAINST UNAUTHORISED ACCESS

摘要

A method is provided for safeguarding values of attributes of a data record that can be stored in a first relational database against unauthorized access, wherein a value of a foreign key attribute of the data record refers to a key for the first relation or for a second relation, and wherein the value of the foreign key attribute is stored in a mapping relation, the values of attributes of the data record that are not foreign key attributes are stored in the first relation, and the mapping relation is stored in a volatile data memory.