1. The following relation "Student" exhibits the so-called update anomalies. Address S Class CourseNo OfferSem OfferYr SGrade C Des S SSN 123456789 Jackson 2018 CSC520 Fall 2016 3.4 DB 123456789 Jackson 2018 CSC620 Fall 891234567Dallas 2018 CSC541 Spring 2017 3.0 891234567 Dallas 2018CSC620 Fall 2016 3.2 VB 2016 3.3 VB 1) 2) 3) Give an example using the above relation to explain the insertion anomaly. Give an example using the above relation to explain the modification anomaly Give an example using the above relation to explain the deletion anomaly