18. Indirect Access Occurs when a user derives unauthorized data (say Y) from an authorized source (say X). GradeReport OR SELECT Name FROM GradeReport WHERE ID=120000348 SELECT Name FROM GradeReport WHERE grade = A B 120000756 Mohammed A 120000636 Ahmed A 120000348 Ibrahim grade ID Name
19. Correlated Data If visible data X is semantically connected to invisible data Y. Position (visible)-------------> Salary (invisible). 7000 SR Staff Mohammed 7000 SR Staff Ahmed 10000 SR Manager Ibrahim Salary Position Name
25. Setting Logon Procedures (cont.) 5.In the Verfiy text box, type password. 6.Click OK to accept your new password. 7.Exit Access. 8.Start Access. Try to open MyNewApp.mdb. 9.In the Name text box, type Admin. In the Password text box, type password. 10.Click OK . Now MyNewApp.mdb opens!
26.
27. Setting a database password (cont.) 5.Choose Tools, Security, Set Database Password 6.In the Password and Verify text boxes, type dbpassword. . 7.Click OK 8.Close the database. 9.Let's test the password to see if it works. Open MyNewApp.mdb. 10.Type dbpassword, and click OK. The database opens.