Consider the following relational schema for a library:
member(memb_no,name,dob)
books(isbn,title,authors,publisher)
borrowed(memb_no,isbn,date)
Write eh following queries in relational algebra.
a. Find the names of members who have borrowed any book published by "McGraw-Hill".
b. Find the names of members who have borrowed all book published by "McGraw-Hill".
c. Find the name and membership number of members who have borrowed more than five books published by "McGraw-Hill".
d. Find the name and membership number of members who have borrowed more than five different books of that publisher.