摘要: create or replace function count_days_diff(start_time date ,end_time date)RETURN NUMBERisTMP DATE ;days number ; begin if end_time is null then return 阅读全文
posted @ 2021-07-30 14:32 冰冰影 阅读(1258) 评论(0) 推荐(0) 编辑