Database: e_learning
Question: List the dates of enrollment and completion of the student with personal name "Karson".
SQL:
SELECT T1.date_of_enrolment ,  T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id  =  T2.student_id WHERE T2.personal_name  =  "Karson"