Multiple choice technology databases

15 Examine the description of the STUDENTS table: STD_ID NUMBER (4) COURSE_ID VARCHAR2 (10) START_DATE DATE END_DATE DATE Which two aggregate functions are valid on the START_DATE column? (Choose two)

  1. SUM(start_date)

  2. AVG(start_date)

  3. COUNT(start_date)

  4. MIN(start_date)
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C,D Correct answer

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