SELECT * FROM
(
SELECT a.code acode , b.code bcode FROM COMPARE2 a
LEFT JOIN COMPARE1 b
ON a.code=b.code
) aa WHERE aa.bcode IS NULL;
Oracle检测两个表的异同信息
猜你喜欢
转载自blog.csdn.net/u013146766/article/details/78689121
今日推荐
周排行