{"version":"1.0","width":"100%","categories":["DB"],"description":"\u30b5\u30d6\u30af\u30a8\u30ea\u69cb\u6587\u306f4DB\u3067\u4f7f\u7528\u53ef\u80fdMySQL\u306f\u8907\u6570\u30c6\u30fc\u30d6\u30eb\u69cb\u6587\u3092\u4f7f\u7528\u53ef\u80fd\u3002\u3057\u304b\u3057\u8907\u6570\u884c\u8a72\u5f53\u306e\u30a8\u30e9\u30fc\u3092\u691c\u77e5\u3067\u304d\u306a\u3044PostgreSQL\u306fupdate from\u69cb\u6587\u3092\u4f7f\u7528\u53ef\u80fd\u3002\u3057\u304b\u3057\u8907\u6570\u884c\u8a72\u5f53\u306e\u30a8\u30e9\u30fc\u3092\u691c\u77e5\u3067\u304d\u306a\u3044SQL Server\u306fupdate from\u69cb\u6587\u3092\u4f7f\u7528\u53ef\u80fd\u3002\u3057\u304b\u3057\u8907\u6570\u884c\u8a72\u5f53\u306e\u30a8\u30e9\u30fc\u3092\u691c\u77e5\u3067\u304d\u306a\u3044 \u3057\u305f\u304c\u3063\u3066\u3001\u5e38\u306b\u30b5\u30d6\u30af\u30a8\u30ea\u69cb\u6587\u3092\u4f7f\u7528\u3059\u308b\u3079\u304d\u3068\u601d\u308f\u308c\u308b\u3002 MySQL (8.0.22) drop table tab1;drop table tab2;create table tab1(col1 int,col2 int);create table tab2(col1 int,col2 i\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"\u5225\u30c6\u30fc\u30d6\u30eb\u306e\u5024\u3092\u4f7f\u7528\u3057\u3066update","blog_url":"https://htn20190109.hatenablog.com/","height":"190","type":"rich","author_name":"HTN20190109","url":"https://htn20190109.hatenablog.com/entry/2021/07/14/220116","blog_title":"HTN20190109\u306e\u65e5\u8a18","image_url":null,"author_url":"https://blog.hatena.ne.jp/HTN20190109/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F07%2F14%2F220116\" title=\"\u5225\u30c6\u30fc\u30d6\u30eb\u306e\u5024\u3092\u4f7f\u7528\u3057\u3066update - 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>","published":"2021-07-14 22:01:16"}