{"version":"1.0","height":"190","type":"rich","width":"100%","author_name":"shigemk2","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2020%2F07%2F25%2F232701\" title=\"MySQL timediff - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://www.shigemk2.com/entry/2020/07/25/232701","categories":["MySQL"],"title":"MySQL timediff","published":"2020-07-25 23:27:01","image_url":null,"author_url":"https://blog.hatena.ne.jp/shigemk2/","blog_title":"by shigemk2","blog_url":"https://www.shigemk2.com/","description":"timediff \u3042\u3068\u306e\u6642\u9593\u3092\u7b2c\u4e00\u5f15\u6570\u3001\u3055\u304d\u306e\u6642\u9593\u3092\u7b2c\u4e8c\u5f15\u6570 mysql> SELECT TIMEDIFF('2008-12-31 01:01:01.000000', '2008-12-31 01:01:00.000000'); +----------------------------------------------------------------------+ | TIMEDIFF('2008-12-31 01:01:01.000000', '2008-12-31 01:01:00.000000') | +--------------------------------------\u2026"}