select student_id, name, age, gender, major, enrollment_date from test_students and name like concat('%', #{name}, '%') and age = #{age} and gender = #{gender} and major = #{major} and enrollment_date = #{enrollmentDate} select student_id, name, age, gender, major, enrollment_date from test_students where student_id = #{studentId} select score_id, student_id, course_name, score from test_students_scores where student_id = #{student_id} insert into test_students name, age, gender, major, enrollment_date, #{name}, #{age}, #{gender}, #{major}, #{enrollmentDate}, update test_students name = #{name}, age = #{age}, gender = #{gender}, major = #{major}, enrollment_date = #{enrollmentDate}, where student_id = #{studentId} delete from test_students where student_id = #{studentId} delete from test_students where student_id in #{studentId} delete from test_students_scores where student_id in #{studentId} delete from test_students_scores where student_id = #{studentId} insert into test_students_scores( score_id, student_id, course_name, score) values ( #{item.scoreId}, #{item.studentId}, #{item.courseName}, #{item.score})