{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2018%2F01%2F11%2Fmax\" title=\"max - 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/2018/01/11/max","author_url":"https://blog.hatena.ne.jp/shigemk2/","version":"1.0","blog_title":"by shigemk2","provider_url":"https://hatena.blog","categories":["Oracle"],"title":"max","height":"190","blog_url":"https://www.shigemk2.com/","provider_name":"Hatena Blog","width":"100%","type":"rich","author_name":"shigemk2","published":"2018-01-11 21:47:36","description":"max Oracle\u3060\u3051\u3069\u3002\u305f\u3068\u3048\u3070\u3053\u3046\u3044\u3046\u30af\u30a8\u30ea\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3001\u62bd\u51fa\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f\u5168\u30ec\u30b3\u30fc\u30c9\u306e\u4e2d\u304b\u3089\u306e\u6700\u5927\u5024\u306e\u5165\u3063\u305f\u30ec\u30b3\u30fc\u30c9\u3067\u306f\u306a\u304f\u3001\u90e8\u9580\u5225\u306e\u6700\u5927\u5024\u3002\u3060\u304b\u3089\u3001\u8907\u6570\u30ec\u30b3\u30fc\u30c9\u304c\u8fd4\u3063\u3066\u6765\u308b\u53ef\u80fd\u6027\u306f\u5927\u3044\u306b\u3042\u308b\u3002 SQL> select dept, MAX(salary) 2 from max_sample group by dept; name dept salary \u9234\u6728 \u7ba1\u7406\u90e8 300000 \u9ad8\u6a4b \u7ba1\u7406\u90e8 400000 \u4f50\u85e4 \u958b\u767a\u90e8 500000 \u5c0f\u6797 \u958b\u767a\u90e8 500000 \u5c71\u672c \u958b\u767a\u90e8 200000 \u9752\u6728 \u958b\u767a\u90e8 NULL","image_url":null}