Foreign keys make the elimination of redundant data possible. but aren’t foreign keys themselves duplicate data? discuss the natural duplication of values presented by using foreign keys and if you believe this is a form of data redundancy.

You are new to microsoft certification and want to start out by getting a certification geared around windows 8. what microsoft certification should you pursue?

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia

State 7 common key's for every keyboard