Question

Oracle form developer哪里下载

我的一个作业里需要form developer用这东西，在哪里下载，我现在已经装了Oracle 9i

Answer 1

--取者改芹两个日期间的工作天数首毕
SELECT COUNT(*) INTO vn
FROM (SELECT vod + ROWNUM - 1 RN
FROM DUAL
CONNECT BY ROWNUM <= vnd - vod)
WHERE TO_CHAR(RN, 'D'歼纳) BETWEEN 2 AND 6;

--返回数字
RETURN vn;

--异常判断并返回-1
EXCEPTION
WHEN OTHERS THEN
RETURN -1;
END fun_get_workdays;

然后select id,fun_get_workdays(begin_date date, end_date date) from table

Answer 2

PLSQL developer,百度一下,就下载到了