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Using the university schema, use SQL to do the following: For each student who has retaken a course at least twice ( i . e

Using the university schema, use SQL to do the following: For each student who has retaken a course at least twice

(

.

.,

the student has taken the course at least three times

),

show the course ID and the student's ID

.

Please display your results in order of course ID and do not display duplicate rows.

(10

Marks

)

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