摘要: 1. 日期格式转化(参考) select beg_time, end_time, extract(epoch from to_timestamp(end_time,'yyyy-mm-dd-HH24-MI-SS-US'))-extract(epoch from to_timestamp(beg_tim 阅读全文
posted @ 2017-09-24 18:10 jihite 阅读(871) 评论(0) 推荐(0)