OCP 071中文考试题库(cuug内部资料)第11题
OCP 071中文考试题库(cuug内部资料)第11题
本套题库是OCP考试中的071(中文版)试题,由CUUG整理,如有报考OCP认证意向,可以联系cuug咨询老师。
11、请选择两项。
哪两项将成功执行?
A) SELECT NVL('DATE', 200) FROM (SELECT NULL AS "DATE" FROM DUAL) ;
B) SELECT COALESCE(0, SYSDATE) FROM DUAL;
C) SELECT NVL('DATE', SYSDATE) FROM DUAL;
D) SELECT COALESCE('DATE', SYSDATE) FROM DUAL;
E) SELECT COALESCE ('DATE', SYSDATE) FROM (SELECT NULL AS "DATE" FROM DUAL) ;
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