OCP 071中文考試題庫-第11題
本套題庫是OCP考試中的071(中文版)試題,由CUUG整理。
11、請選擇兩項。
哪兩項將成功執行?
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) ;