{"published":"2021-02-14 11:53:06","image_url":null,"height":"190","provider_url":"https://hatena.blog","type":"rich","author_url":"https://blog.hatena.ne.jp/HTN20190109/","title":"10\u9032\u6570\u306816\u9032\u6570\u306e\u57fa\u6570\u5909\u63db","categories":["DB"],"version":"1.0","width":"100%","url":"https://htn20190109.hatenablog.com/entry/2021/02/14/115306","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F02%2F14%2F115306\" title=\"10\u9032\u6570\u306816\u9032\u6570\u306e\u57fa\u6570\u5909\u63db - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"HTN20190109","description":"MySQL (8.0.22) 10\u9032\u6570\u219216\u9032\u6570 select conv(1,10,16);select conv(10,10,16);select conv(16,10,16);select conv(17,10,16); 16\u9032\u6570\u219210\u9032\u6570 select conv('1',16,10);select conv('A',16,10);select conv('10',16,10);select conv('11',16,10); Oracle (19c) 10\u9032\u6570\u219216\u9032\u6570 select to_char(1,'XXXX') from dual;select to_char(10,'XXXX'\u2026","provider_name":"Hatena Blog","blog_title":"HTN20190109\u306e\u65e5\u8a18","blog_url":"https://htn20190109.hatenablog.com/"}