Using the schema below, answer the following questions if applicable : A. Provide an example of INSERT operation that violates Entity Integrity constraint. B. Provide an example of DELETE operation that violates Referential Integrity constraints. C. Provide an example of UPDATE operation that violates Key constraint STUDENT Name Student_number Smith Brown 8 17 Class 1 2 Major CS CS COURSE Course_name Intro to Computer Science Data Structures Discrete Mathematics Databaso Course_number Credit_hours Department CS1310 4 CS CS3320 4 CS MATH2410 3 MATH CS3380 3 CS GRADE REPORT Student_number 17 Section_identifier 112 Grade B A 17 119 8 8 85 92 102 135 8 B 8