考试
2021-02-25 12:22:02

(单选题)Management has asked you

题目描述

ASELECT last_name, 12*salary* commission_pct FROM emp;

BSELECT last_name, 12*salary* (commission_pct,0) FROM emp;

CSELECT last_name, 12*salary*(nvl(commission_pct,0)) FROM emp;

DSELECT last_name, 12*salary*(decode(commission_pct,0)) FROM emp;

答案解析

[db:答案解析]

C

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