{"height":"190","provider_name":"Hatena Blog","categories":["postgres","rdbms"],"published":"2024-04-24 11:54:52","provider_url":"https://hatena.blog","title":"\u306a\u3093\u3060\u3053\u308a\u3083\u3002SQL\u306e\u300cIS DISTINCT FROM\u300d\u6f14\u7b97\u5b50","type":"rich","author_url":"https://blog.hatena.ne.jp/sakaik/","url":"https://sakaik.hateblo.jp/entry/20240424/sql_is_distinct_from","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsakaik.hateblo.jp%2Fentry%2F20240424%2Fsql_is_distinct_from\" title=\"\u306a\u3093\u3060\u3053\u308a\u3083\u3002SQL\u306e\u300cIS DISTINCT FROM\u300d\u6f14\u7b97\u5b50 - sakaik\u306e\u65e5\u3005\u96d1\u611f\uff5e(T)\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_title":"sakaik\u306e\u65e5\u3005\u96d1\u611f\uff5e(T)\u7de8","width":"100%","author_name":"sakaik","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/sakaik/20240424/20240424115434.png","blog_url":"https://sakaik.hateblo.jp/","description":"\u767a\u7aef \u3075\u3068\u3001\u300cIS NOT DISTINCT FROM\u300d\u3042\u308b\u3044\u306f\u300cIS DISTINCT FROM\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u308bSQL\u6587\u3092\u76ee\u306b\u3057\u307e\u3057\u305f\u3002 SQL\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3068\u3057\u3066\u3001 SELECT DISTINCT col1, col2 FROM t1; \u3068\u304b\u66f8\u304f\u306e\u3067\u3001\u305d\u306eDISTINCT \u3068 FROM \u304c\u3001\u3001\u3001\u3001\u3068\u304b\u8003\u3048\u3066\u3044\u308b\u3068\u6df7\u4e71\u3057\u307e\u3059\u3002\u3068\u308a\u3042\u3048\u305a\u300c\u5358\u306b\u3053\u3046\u3044\u3046\u9577\u3044\u540d\u524d\u306e\u8a18\u53f7\u300d\u3068\u601d\u3063\u3066\u304a\u304f\u306e\u304c\u3088\u3055\u305d\u3046(\u7b11)\u3002 \u3053\u308c\u306f\u306a\u306b https://t.co/XofaCJumh8\u3053\u308c\u3067\u3059\u3088\u306d\uff1f\u2014 Hiroshi Sekiguchi \uf8ff\ud83c\udf65 (@discus_hamburg) 2024\u5e744\u670822\u65e5 Oracle\u2026"}