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Graded Discussion Board
Database Management System (CS403)
This is to inform that Graded Discussion Board (GDB) will be opened on 31st January, 2018 for discussion and last date of discussion will be 1st February, 2018.
Topic/Area for Discussion: “Views, Hash, Revoke and Grant, Encryption, Partitioning”
A multinational company has many employees; CEO, managers, analysts, clerks etc. Company has head office in Karachi and sub-offices in major cities of Pakistan like Lahore, Islamabad, and Multan etc. There is a centralized database in company and employees of each office share the same database. The employee can access data from database with respect to their designation and city. Some data is also shared across the cities. Every employee performs operations on data according to their designation. The access of the data is controlled by the database administrator. If you are the database administrator of this system, what type of mechanism you will adopt to provide the security and permissions to different group of people? Keep that in mind that performance should not be degraded.
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