oracle数据备份导入SQL
发布网友
发布时间:2022-05-02 21:05
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共2个回答
热心网友
时间:2022-06-27 05:38
--取两个日期间的工作天数
SELECT COUNT(*) INTO vn
FROM (SELECT vod + ROWNUM - 1 RN
FROM DUAL
CONNECT BY ROWNUM <= vnd - vod)
WHERE TO_CHAR(RN, 'D') 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
热心网友
时间:2022-06-27 05:38
据我所知是不行