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8. Database Security. (10 points) The following Employee table contains the records about employees' information. The database protects the records with the query size restriction technique. This means for any operation such as COUNT(),SUM(), and MEAN(), no individual query operation that matches fewer than k or more than Nk will be answered. 8.2 If the attacker knows Jones is the only female California engineer in the database records, the attacker can launch a tracker attack to find the salary of Jones. The track attack uses a query with exactly two query operations. Please demonstrate how this tracker attack works