Q156 In the PROMOTIONS table, the PROMO_BEGIN_DATE column is of data type DATE and the default date format is DD-MON-RR.
Which two statements are true about expressions using PROMO_BEGIN_DATE contained in a query?
- A) TO_NUMBER(PROMO_BEGIN_DATE) – 5 will return a number.
- B) PROMO_BEGIN_DATE – SYSDATE will return a number.
- C) PROMO_BEGIN_DATE – 5 will return a date.
- D) PROMO_BEGIN_DATE – SYSDATE will return an error.
- E) TO_DATE(PROMO_BEGIN_DATE * 5) will return a date.
Answer: B,C