Write in relational algebra: Find names of students who have not enrolled in CS1100.

credits points fname Jones Smith Smith lname login Si 53666 53688 53999 wnibrown 1994-3-21 100 Walkerswalker1995-8-20 104 Taylorstaylor1996-3-20108 340 350 346 Table 1: Students call num course num course title 11121 11122 11222 CS1100 CS1400 CS1600 Foundation of CS Discrete Structures Computer Science I4 creditstermyearinstructor id Spring2014 222 Spring2014 223 Spring2014 200 4 Table 2: Sessions call num 11121 11121 11122 11222 grade Si 53666 53688 53999 53999 Table 3: Enrolled