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【071题库】最新OCP-071考试题库解析-第3题

【071题库】最新OCP-071考试题库解析-第3题

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071题库-第3题、choose three

View the Exhibit and examine the description of SALES and PROMOTIONS tables.

You want to delete rows from the SALES table, where the PROMO_NAME column in the PROMOTIONS table has either blowout sale or everyday low price as values.


Which three DELETE statements are valid?

A) DELETE

FROM sales

WHERE promo_id = (SELECT promo_id

FROM promotions

WHERE promo_name = 'blowout sale')

OR promo_id = (SELECT promo_id

FROM promotions

WHERE promo_name = 'everyday low price');


B) DELETE

FROM sales

WHERE promo_id = (SELECT promo_id

FROM promotions

WHERE promo_name = 'blowout sale')

AND promo_id = (SELECT promo_id

FROM promotions

WHERE promo_name = 'everyday low price');


C) DELETE

FROM sales

WHERE promo_id IN (SELECT promo_id

FROM promotions

WHERE promo_name = 'blowout sale'

OR promo_name = 'everyday low price');


D) DELETE

FROM sales

WHERE promo_id IN (SELECT promo_id

FROM promotions

WHERE promo_name IN ('blowout sale','everyday low price'));


Answer:ACD

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