HTN20190109 https://blog.hatena.ne.jp/HTN20190109/ HTN20190109の日記 https://htn20190109.hatenablog.com/ DB MySQL (5.6)select 1/0; →★エラーとならずNULLが返る Oracle (12cR1) select 1/0 from dual; →ORA-01476: 除数がゼロです PostgreSQL (9.4)select 1/0; →ERROR: division by zero SQL Server (2014)select 1/0; →0 除算エラーが発生しました。 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2020%2F08%2F16%2F192106" title="ゼロ除算 - HTN20190109の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2020-08-16 19:21:06 rich https://htn20190109.hatenablog.com/entry/2020/08/16/192106 1.0 100%