Consider the following relation: laptops : Model + Brand where laptops = { legion5 lenovo, macbookair > apple, Ips15 dell, spectre hp Eps13 dell, swift3 acer, macbookpro apple, dragonfly Hhp, envyr360 hp } 1. What is the domain and the range of the relation? 2. What is the result of the expression {Ips15, eps13, swift3, envyr360) a laptops What is the meaning of operator {lenovo, hp} What is the meaning of operator and where would you deploy such operator in the context of a database management system? 4. What is the result of the expression {legion5, eps15, eps13, dragonfly} 4 laptops What is the meaning of operator 4 and where would you deploy such operator in the context of a database management system? 5. What is the result of the expression laptops > {apple, dell, hp} What is the meaning of operator and where would you deploy such operator in the context of a database management system? 6. Consider the following expression laptop (ideapad H lenovo} (a) What is the result of the expression? (b) What is the meaning of operator and where would you deploy such operator in the context of a database management system? (c) Does the result of the expression have a permanent effect on the database (rela- tion)? If not, describe in detail how would you ensure a permanent effect. Consider the following relation: laptops : Model + Brand where laptops = { legion5 lenovo, macbookair > apple, Ips15 dell, spectre hp Eps13 dell, swift3 acer, macbookpro apple, dragonfly Hhp, envyr360 hp } 1. What is the domain and the range of the relation? 2. What is the result of the expression {Ips15, eps13, swift3, envyr360) a laptops What is the meaning of operator {lenovo, hp} What is the meaning of operator and where would you deploy such operator in the context of a database management system? 4. What is the result of the expression {legion5, eps15, eps13, dragonfly} 4 laptops What is the meaning of operator 4 and where would you deploy such operator in the context of a database management system? 5. What is the result of the expression laptops > {apple, dell, hp} What is the meaning of operator and where would you deploy such operator in the context of a database management system? 6. Consider the following expression laptop (ideapad H lenovo} (a) What is the result of the expression? (b) What is the meaning of operator and where would you deploy such operator in the context of a database management system? (c) Does the result of the expression have a permanent effect on the database (rela- tion)? If not, describe in detail how would you ensure a permanent effect