Question: 4.13. Write SQL update statements to do the following on the database schema shown in Figure 1.2. a. Insert a new student, Johnson, 25, 1,

4.13. Write SQL update statements to do the following on the database schema shown in Figure 1.2. a. Insert a new student, Johnson, 25, 1, 'Math'>, in the database. b. Change the class of student 'Smith' to 2. C. Insert a new course,
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