{"image_url":null,"author_url":"https://blog.hatena.ne.jp/gonsuke777/","type":"rich","provider_name":"Hatena Blog","blog_url":"https://gonsuke777.hatenablog.com/","url":"https://gonsuke777.hatenablog.com/entry/20140629/1404058247","author_name":"gonsuke777","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgonsuke777.hatenablog.com%2Fentry%2F20140629%2F1404058247\" title=\"\u9023\u756a\u3092\u751f\u6210\u3059\u308b SELECT\u6587(\u968e\u5c64\u554f\u3044\u5408\u308f\u305b+LEVEL\u7591\u4f3c\u5217) - \u306d\u3089\uff5eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u96d1\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","title":"\u9023\u756a\u3092\u751f\u6210\u3059\u308b SELECT\u6587(\u968e\u5c64\u554f\u3044\u5408\u308f\u305b+LEVEL\u7591\u4f3c\u5217)","published":"2014-06-29 01:10:47","blog_title":"\u306d\u3089\uff5eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u96d1\u8a18","categories":["Database","Oracle"],"version":"1.0","width":"100%","description":"\u3061\u3087\u3063\u3068\u3057\u305f\u7591\u4f3c\u30ec\u30b3\u30fc\u30c9\u3092SELECT\u3060\u3051\u3067\u7c21\u5358\u306b\u4f5c\u308c\u308b\u306e\u3067\u3001\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002 \u968e\u5c64\u554f\u3044\u5408\u308f\u305b(CONNECY BY\u301c) \u3068 LEVEL\u7591\u4f3c\u5217\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 Oracle Database SQL\u8a00\u8a9e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9 11g\u30ea\u30ea\u30fc\u30b92 (11.2) B56299-06 LEVEL\u7591\u4f3c\u5217 http://docs.oracle.com/cd/E16338_01/server.112/b56299/pseudocolumns001.htm#i1009261 \u4ee5\u4e0b\u306f\u5b9f\u884c\u4f8b\u3067\u3059\u3002 -- 10g\u4ee5\u964d SELECT LEVEL FROM DUAL CONNECT BY LEVEL <= 10; LEVEL --\u2026","provider_url":"https://hatena.blog"}