Question

求教linux 下oracle数据的导入导出方法详细步骤

Answer 1

--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

Answer 2

exp/expdp或者是用sqlplus的spool功能