A security scheme method and system for authorizing users to access and read data within a table, while only being able to modify selected data rows based on the user's authorities set by a composite of authorities within security tables of the system. Therein, a user of the invention is allowed to retrieve any data from a table while the security scheme limits that data the user is allowed to modify by setting the limit rules within these security tables. These limit rules may simultaneously monitor a plurality of field names existing within selected tables. The security scheme also enables the security tables to automatically open and close access to tables or quads by the security scheme setting flags before, during, after, or combinations thereof, the running of a session for loading tables.

 
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