（53）View the Exhibit and examine the data in the PROMOTIONS table. PROMO_BEGIN_DATE is stored in the default date format, dd-mon-rr.

You need to produce a report that provides the name, cost, and start date of all promos in the POST category that were launched before January 1, 2000.

Which SQL statement would you use?

A.

SELECT promo_name, promo_cost, promo_begin_date FROM promotions

WHERE promo_category = 'post' AND promo_begin_date < '01-01-00';

B.

SELECT promo_name, promo_cost, promo_begin_date FROM promotions

WHERE promo_cost LIKE 'post%' AND promo_begin_date < '01-01-2000';

C.

SELECT promo_name, promo_cost, promo_begin_date FROM promotions

WHERE promo_category LIKE 'P%' AND promo_begin_date < '1-JANUARY-00';

D.

SELECT promo_name, promo_cost, promo_begin_date FROM promotions

WHERE promo_category LIKE '%post%' AND promo_begin_date < '1-JAN-00';

答案：（D）

解析：

--不严格按照日期格式指定也可以正常执行

scott@TESTDB11>select * from emp where hiredate = '2-APR-81';

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