Valid SSCP Dumps shared by EduDump.com for Helping Passing SSCP Exam! EduDump.com now offer the newest SSCP exam dumps, the EduDump.com SSCP exam questions have been updated and answers have been corrected get the newest EduDump.com SSCP dumps with Test Engine here:
Which of the following is used in database information security to hide information?
Correct Answer: B
Polyinstantiation enables a relation to contain multiple tuples with the same primary keys with each instance distinguished by a security level. When this information is inserted into a database, lower-level subjects need to be restricted from this information. Instead of just restricting access, another set of data is created to fool the lower-level subjects into thinking that the information actually means something else.