Staff Reservation SID S1 sName Joan Pam Greg S2 S3 "Number bin mld sld Quantity numberOfDays Status 123 001 Hd1251 1 Closed 124 CO2 Rf07 S1 2 PassDue 125 C02 Rf07 S3 2 Closed Member Book mlDmName M1 Sam M2 Paul M3 Ron M4 Laura bID bTittle numberOfCopy CategorybAuthor bi Algorithm 2 Math Aline b2 Database 3 CS Sean b3 Gone with 4 Fiction John the wind Question 5 (5 Points) Write a relational algebra expression that return the member's name that borrowed at least 10 books so far (10 or more different books) Question 6 (5 Points) Write a relational algebra expression that returns the member's name that borrowed more 'fiction' books than 'math'. Question 7 (3 Points) Write a relational algebra expression that returns the name of librarians that assisted checkout books for 'Sam'. Question 8 (4 Points) Write a relational algebra expression that returns the staff's name that never served any member Staff Reservation SID S1 sName Joan Pam Greg S2 S3 "Number bin mld sld Quantity numberOfDays Status 123 001 Hd1251 1 Closed 124 CO2 Rf07 S1 2 PassDue 125 C02 Rf07 S3 2 Closed Member Book mlDmName M1 Sam M2 Paul M3 Ron M4 Laura bID bTittle numberOfCopy CategorybAuthor bi Algorithm 2 Math Aline b2 Database 3 CS Sean b3 Gone with 4 Fiction John the wind Question 5 (5 Points) Write a relational algebra expression that return the member's name that borrowed at least 10 books so far (10 or more different books) Question 6 (5 Points) Write a relational algebra expression that returns the member's name that borrowed more 'fiction' books than 'math'. Question 7 (3 Points) Write a relational algebra expression that returns the name of librarians that assisted checkout books for 'Sam'. Question 8 (4 Points) Write a relational algebra expression that returns the staff's name that never served any member